11 Things You Might Not Know About the Grand Canyon

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iStock.com/SumikoPhoto

Whether you’ve made the trek yourself or seen it on a postcard, the Grand Canyon is one of the most instantly recognizable sights in the United States. But how well do you really know the Colorado River’s most famous handiwork? Here are 11 facts about the Grand Canyon, which Congress declared a U.S. National Park on February 26, 1919.

1. The Grand Canyon is not the world's deepest canyon.

Let’s clear up this misconception right off the bat. The Arizona landmark may well be the world’s grandest canyon, but it’s not the deepest. Agreeing on how to measure the depth of gorges is a surprisingly difficult task, but depending on who you ask, that distinction goes to Peru’s Cotahuasi Canyon, which is over 11,000 feet deep, or Nepal’s Kali Gandaki Gorge. The Grand Canyon, on the other hand, is just one mile deep.

2. It isn't the deepest canyon in the U.S., either

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The Grand Canyon can’t claim the domestic championship: Hells Canyon has been carved by the Snake River along the border of Oregon and Idaho and drops a half a mile deeper than the Grand Canyon.

3. The Grand Canyon's age is tough to pin down.

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Like measuring depth, figuring out a canyon’s age is not as easy as you might think. Until recently, estimates pegged the Grand Canyon’s age at 6 million years. It turns out that the answer may not be that straightforward, though. In the last decade, controversy has erupted in scientific circles over just how many candles should be on the geologic marvel’s birthday cake. Attempts to analyze the minerals within the canyon led to the conclusion that the canyon may be more like 70 million years old.

What makes answering what seems like a simple question so difficult? The Grand Canyon may not have been carved in one fell swoop by the Colorado River. Instead, one hypothesis posits that the canyon may have formed in pieces over time, with parts of it dating back as many as 70 million years, but with the connected canyon we know and love today only emerging in the last 6 million years.

4. The Hopi consider the Grand Canyon to be a gateway to the afterlife.

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Referred to as Öngtupqa in the Hopi language, the Grand Canyon carries great spiritual significance for the Native American tribe that has long inhabited the region. Upon death, a Hopi is believed to pass westward through the sipapuni, or “place of emergence”—a dome of mineral deposits that sits upstream from the union of the Colorado River and the Little Colorado River inside the canyon—on his or her journey into the afterlife.

5. Temperatures vary greatly between the top and bottom of the Grand Canyon.

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A trek from the peak of the Grand Canyon’s North Rim, which stands about 8000 feet above sea level, to its bottom a mile down may see a traveler experience temperature swings of more than 25ºF. Summer highs in the depths of the gorge can exceed 100ºF, and winter lows at the crest can dip to 0ºF.

6. The first Europeans saw the Grand Canyon in 1540.

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After thousands of years of inhabitation by Native American groups, the Grand Canyon welcomed its first European visitor in the 16th century. Aided by Hopi locals, Spanish conquistador García López de Cárdenas led an exploration of the grounds in 1540, even sending three soldiers down to explore the canyon’s depths. The trek didn’t last very long: The soldiers were overcome by thirst, possibly because the Hopi intentionally safeguarded their valued Colorado River from the travelers’ reach.

7. Subsequent European visitors took their time returning to the Grand Canyon.

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After this initial contact didn’t reveal any great riches in the area, there was little urgency to return on the part of the Spanish. Europeans didn’t make their second visit until 1776, when Spanish priests Francisco Atanasio Domínguez and Silvestre Vélez de Escalante happened upon the canyon while attempting to find a route from Santa Fe to their Catholic mission in Monterey, California. In the very same year, another Spanish missionary, Francisco Garcés, took in the canyon during a largely unsuccessful attempt to convert the local Havasupai to Christianity.

8. Explorers of European descent didn’t navigate to the bottom of the Grand Canyon until 1869.

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In 1869, seven years after losing his right arm during the Battle of Shiloh in the American Civil War, John Wesley Powell led nine men—including a printer for the Rocky Mountain News, an 18-year-old mule driver and bullwhacker, and Powell’s own brother—on a thousand-mile mission down the Colorado River and its tributaries and through the Grand Canyon. Only six members of the team would complete the expedition, but Powell returned in 1871 with congressional backing and an 11-man team that included scientists. That trip produced the first maps of the Colorado River.

9. Teddy Roosevelt used a loophole to protect the Grand Canyon.

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Roosevelt needed just one visit to the Grand Canyon in 1903 before he decided that the marvel should be protected. Unfortunately, it was beyond his authority to designate an area as a national park without congressional approval. To sidestep what he predicted would be an uncooperative Congress, Roosevelt took the long way around. In 1893, President Benjamin Harrison had established a forest preserve in the area, and so Roosevelt was able to add considerably more protection in 1906 by using a presidential proclamation to designate the area as the Grand Canyon Game Preserve. Two years later, he declared the area a national monument. The area was safe, but even then, Roosevelt couldn’t get the green light to create the Grand Canyon National Park—formal approval didn’t come until 1919.

10. The Grand Canyon was home to an early "instant photo" business.

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Brothers Emery and Ellsworth Kolb devoted their lives to photographing natural beauty, and in setting up a studio on the South Rim of the Grand Canyon in 1906, they found a savvy business opportunity as well. From their studio at the head of the Bright Angel Trail, the brothers would snap photographs of tourists as they departed for the canyon’s bottom on mules. When the tourists made their way back up to the rim that evening, the brothers would be ready to sell them developed prints documenting their journey.

11. The Grand Canyon was the site of a grand hoax in 1909.

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On April 5, 1909, the Arizona Gazette detailed the findings of two archaeologists who claimed to have discovered traces of either an ancient Tibetan or Ancient Egyptian civilization in an underground tunnel network within the Grand Canyon. The story of ancient artifacts like copper and gold urns and mummified bodies discovered by two affiliates of the Smithsonian caused quite a stir, but it unraveled quickly. The Smithsonian denied any knowledge of the pair of scientists, and subsequent searches failed to uncover the “nearly inaccessible” cavern the (possibly fictitious) duo claimed to have found. Despite this lack of evidence, the belief that the Smithsonian actually found and covered up this cave of wonder remains persistent among conspiracy theorists.

Thursday’s Best Amazon Deals Include Guitar Kits, Memory-Foam Pillows, and Smartwatches

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Amazon
As a recurring feature, our team combs the web and shares some amazing Amazon deals we’ve turned up. Here’s what caught our eye today, December 3. Mental Floss has affiliate relationships with certain retailers, including Amazon, and may receive a small percentage of any sale. But we only get commission on items you buy and don’t return, so we’re only happy if you’re happy. Good luck deal hunting!

25 Facts About Prince Charles and Princess Diana’s Wedding

STR/AFP/Getty Images
STR/AFP/Getty Images

Prince Charles and Lady Diana Spencer married at St Paul’s Cathedral in London on Wednesday, July 29, 1981. The ceremony was one of the decade’s biggest events—and for good reason. Queen Elizabeth II’s eldest son Charles was (and still is, of course) first in line to the throne, which made the day a landmark moment in the life of the presumptive future King of England.

With the early days of Charles and Diana’s relationship now immortalized in Netflix’s The Crown, here are some more facts and figures behind one of the 20th century’s most famous relationships.

1. Prince Charles met Diana while he was dating her sister.

Prince Charles and Sarah Spencer (right, facing camera) on the sidelines after he played in an international polo match, July 1977. Dennis Oulds/Central Press, Getty Images

Charles was romantically involved with Diana’s elder sister, Sarah Spencer (now Lady Sarah McCorquodale) when he first met his future bride-to-be. His and Sarah’s relationship wasn’t quite as harmonious as it’s portrayed in The Crown; Sarah later said that she wouldn’t marry Charles whether “he were the dustman or the King of England." Nevertheless, it’s through Sarah that Charles was first introduced to Diana while on a grouse hunt at Althorp House, the Spencer family's ancestral home, in 1977. Diana was just 16 at the time—six years younger than Sarah, and more than 12 years younger than Charles.

2. It was love at first sight for Charles and Diana …

Charles seems to have taken an immediate shine to Diana, telling The Daily Telegraph in 1981 that he remembered thinking, “what a very jolly and amusing and attractive 16-year-old she was” after they first met. For her part, Diana reportedly told friends that she was destined to marry Charles after her first encounter with him—adding (not so prophetically) that “he’s the one man on the planet who’s not allowed to divorce me.” (Divorce laws for royals used to be a lot more stringent than they are today, and weren’t fully relaxed until 2002.)

3. … or maybe it wasn’t love at first sight for Charles and Diana.

Long after their relationship had broken down, Diana revisited her first impression of Charles—this time with the benefit of hindsight. In 1992, she told her biographer Andrew Morton that her actual first thought after meeting the future king was, “God, what a sad man.” Ouch.

4. It took a while for things to get going between Charles and Diana.

Hulton Archive/Getty Images

No matter what their first impressions were, it took a long time for Charles and Diana to become a couple. It wasn’t until 1980, shortly before Diana’s 19th birthday, that the couple finally got together. In the three years in between, Charles’s relationship with Sarah Spencer fizzled out, after which he reportedly proposed to Amanda Knatchbull, the granddaughter of Earl Mountbatten, his mentor. Knatchbull turned him down.

At the same time, rumors began swirling that Charles was still romantically involved with his long-term sweetheart Camilla Shand, despite her having married Brigadier Andrew Parker Bowles in 1973. (Camilla is now the Duchess of Cornwall, Charles's second wife. The couple tied the knot in 2005.)

Charles had, in fact, intended to propose to Camilla years earlier, but their relationship crumbled when the royal family allegedly deemed her an unsuitable match for the heir to the throne.

5. Prince Charles’s schedule often got in the way of his courtship with Diana.

The problem with being heir to the world’s most powerful monarchy is that it doesn’t leave you a lot of time for romance. Reportedly, Charles and Diana only met in person, at most, 13 times before Charles proposed on February 3, 1981.

6. Charles did get down on one knee when he proposed to Diana.

Charles proposed to Diana in the nursery of Windsor Castle. Unlike what is stated in The Crown, Charles apparently did get down on one knee to ask for Diana's hand. (Also unlike The Crown, Diana’s immediate reaction was apparently to laugh.) The engagement was kept a secret for three weeks while arrangements for an official announcement were made; their betrothal wasn’t made public until February 24, 1981.

7. Diana picked out her own engagement ring (and it’s still in the family).

Her Royal Highness The Duchess of Cambridge in 2014.Ricky Wilson, Wikimedia Commons // CC BY 2.0

Charles didn’t pick out a ring for Diana; rather, Diana picked her own from a selection made by Garrard & Co., the official Jewelers to the Crown, The ring she chose—an 18-carat white gold band featuring a Ceylon sapphire surrounded by 14 diamonds—is now worn by Prince William’s wife Catherine, the Duchess of Cambridge. Nevertheless, it proved a controversial choice: because the ring came from the Garrard’s public catalogue, it wasn’t a unique bespoke design which many in the royal family believed would have been more suitable.

8. Charles and Diana’s wedding was hastily arranged.

Charles and Diana had only been dating for around six months by the time Charles popped the question in February 1981, and it took barely another five months to arrange the big day—they were wed in July 1981.

9. Charles and Diana’s rehearsal dinner was almost as big as the main event.

Prince Charles, President Ronald Reagan, Nancy Reagan, and Princess Diana pose for photos before a dinner in 1985.White House — Ronald Reagan Presidential Library // Public Domain, Wikimedia Commons

The couple held a rehearsal ceremony at St Paul’s two days before the big day, then headed back to Buckingham Palace for a lavish celebratory dinner and party. The Queen hosted the event, which was attended by 1400 invited guests. Alongside dignitaries and famous faces like the First Lady, Nancy Reagan, the list of rehearsal dinner invitees also included many of the palace’s staff, who had been in the couple’s service throughout their relationship.

10. The rehearsal dinner was big, but Charles and Diana’s wedding was still bigger.

A congregation of 3500 people were invited to St. Paul’s Cathedral for the royal couple's wedding day, with more than 2 million well-wishers lining the streets of London outside—and a further 750 million people believed to have tuned in from home to watch the events on television, in more than 60 different countries. The broadcast remains one of the biggest television events in history for a non-sporting event.

11. There were almost as many musicians as guests at Charles and Diana’s wedding.

There were three separate choirs and a further three orchestras arranged inside St. Paul’s Cathedral for the ceremony, including the British Philharmonia Orchestra, the English Chamber Orchestra, and the entire orchestra of the Royal Opera House. Add to that the official fanfare ensemble of the Royal Military School—plus the New Zealand operative soprano Dame Kiri Te Kanawa, who sang Handel’s Let The Bright Seraphim as part of the ceremony—and you’ve got almost as many musicians in attendance as invited guests.

12. Charles and Diana’s guest list was suitably impressive.

Former British Prime Minister Margaret ThatcherHulton Archive/Getty Images

Besides the immediate royal family—plus Diana’s family, the Earl and Countess Spencer—among those also invited to the wedding were then-Prime Minister Margaret Thatcher and her husband; President Mitterrand of France; countless other European and Commonwealth heads of state; royal representatives from the monarchies of Japan, Jordan, Nepal, and Thailand; and a select handful of more personal invitees, including Prince Charles’s favorite comedians, Spike Milligan and Sir Harry Secombe, and the staff and parents of the nursery Diana had worked at before she began dating Charles.

13. Charles and Diana did have a few notable no-shows at their wedding.

Famously, King Juan Carlos of Spain declined his invite because the couple’s honeymoon plans included an overnight stay in Gibraltar, which has long been the subject of a territorial disagreement with the UK. Patrick Hillery, the president of Ireland, also stayed home in protest over the status of Northern Ireland. And while his First Lady was in attendance, President Reagan wasn't able to attend the wedding as he was scheduled to chair an economic summit in Ottawa the previous day (though it’s been speculated that he actually snubbed it because he didn’t want his first official visit to Europe as president to be a purely social one).

14. Charles was related to a lot of the people attending.

Chris Jackson/Getty Images

Thanks to many of Queen Victoria’s nine children and 42 grandchildren marrying into most of Europe’s other royal dynasties—lending her the title of “Grandmother of Europe”—today almost all of Europe’s royal family trees are all intertwined. (Incredibly, Diana was the first ordinary British citizen in 300 years to marry an heir to the throne.) So on his wedding day, Charles—as one of the foremost figures in the British House of Windsor—was related to most of the other royals in attendance. The King of Norway, Olav V, was his first cousin twice removed; Queen Beatrix of the Netherlands was his fifth cousin once removed; Prince George Valdemar of Denmark was his second cousin once removed; King Baudouin of Belgium was his third cousin once removed, as was King Carl XVI of Sweden. And both the deposed King Michael I of Romania and his wife, Queen Anne of Romania, were Charles’s second cousins. Even Charles and Diana were related—albeit distantly: Both were descendants of Henry VII, which made them sixteenth cousins once removed.

15. Diana reportedly liked watching herself on TV.

On the morning of the wedding, Diana’s dressing room at the palace was a flurry of excitement. But in the midst of it all, Diana was oddly quiet—and was reportedly mesmerized by watching herself on television. According to bridesmaid India Hicks, “there was a small television on the side of this dressing table, and Diana was seated in front of it ... dressed in her jeans.” If any of the dressers, designers, bridesmaids, florists, hairdressers, or make-up artists who were in the room got in the way of the screen, Diana would shoo them away, “because, obviously, she was very excited to see herself on television.” It was only when the commercial break came on that Diana finally began to dress for her big day.

16. Diana’s wedding dress stole the show.

While Charles wore his traditional full-dress naval commander uniform, Diana wore an ivory-colored taffeta wedding gown, decorated with handmade lace and finished off with 10,000 hand-sewn pearls and a 25-foot silk train. The dress was the work of designers Elizabeth and David Emanuel, while Diana’s shoes—a bespoke, low-heeled pair of wedding slippers (low-heeled so that no one could tell she and Charles were both 5’ 10”)—were designed by shoemaker Clive Shilton, who personally adorned them with a further 542 sequins and another 132 pearls. (It took Shilton about six months to make the shoes.)

The designers all added a number of personal touches to Diana’s outfit, too. The Emanuels (a favorite designer of Diana's) sewed a diamond-encrusted horseshoe and a secret blue ribbon into the lining of her dress for good luck, and Shilton hand-painted a hidden “C” and a “D” onto the arches of her shoes. The designers were prepped for everything, too: In case it rained on the big day, they had prepared a lace-trimmed ivory parasol to shield the bride from the worst of the British weather.

17. Diana’s wedding dress broke all sorts of records.

Diana and the Emanuels (who were compelled to install a safe in their studio to keep their designs secret ahead of the big day) are said to have intentionally wanted her bridal gown to have the longest train of any royal gown in history—and they reportedly broke the previous record by a full 60 inches. In fact, Diana’s silk train proved too long to comfortably manage at home, forcing the Emanuels to eventually relocate from their studio to a seldom-used wing of Buckingham Palace to unroll, measure and construct the enormous garment in full. Though it was the train that stole all the headlines, that wasn’t even the dress’s biggest extravagance: Diana’s veil was made from a single 153-yard length of white tulle.

18. Diana had a dress disaster just before the wedding.

The French perfumiers at Houbigant (the oldest fragrance company in all of France) created a special perfume just for Diana's wedding day, which they called Quelques Fleur. Unfortunately, while getting ready Diana for the ceremony, Diana spilled some of the perfume on the front of her dress. She can be seen covering the stain with her hand in some of the wedding footage from that day.

19. Diana messed up Charles’s name while reciting their wedding vows.

Princess Diana wearing what she called her "Elvis dress" on a visit to Hong Kong in 1989.Georges De Keerle/Getty Images

Unfortunately, Diana's perfume disaster wasn't the only gaffe of the day. While reciting her vows, Diana famously muddled up the order of Charles’s full name, calling him “Philip Charles Arthur George” instead of “Charles Philip Arthur George.” In return, Charles fluffed his lines too, referring to “thy goods” rather than “my worldly goods” in his nuptials.

20. Diana refused to say she'd "obey" Charles in her wedding vows, which started a new royal tradition.

The Anglican Book of Common Prayer has provided the basis of the Church of England’s traditional wedding vows (whether royal or not) since the 17th century—and it’s this book that includes the famous line, “to love, cherish, and to obey, till death us do part." Diana, however, left out the “obey” part of that line in her wedding vows, prompting some eagle-eyed viewers at the time to assume it was just another nervous mistake. Not so, as it was later revealed that the couple (with the backing of the Dean of Westminster himself) had mutually agreed to ditch the “obey” part of the ceremony, arguing that it was outdated thinking.

When it was revealed that the line had been intentionally removed, the couple’s decision caused a sensation. Nevertheless, it has since become a tradition, with both Kate Middleton and Meghan Markle omitting the word obey from their vows in 2011 and 2018, respectively.

21. Charles and Diana’s post-wedding breakfast was a much smaller affair than their wedding ceremony.

Of the nearly 4000 guests invited to the ceremony, barely 100 were invited back to Buckingham Palace for a private wedding breakfast after the event.

22. Charles and Diana’s kiss on the Buckingham Palace balcony established a new tradition.

AdrianHancu/iStock Editorial via Getty Images Plus

Charles and Diana appeared on the famous front balcony of Buckingham Palace just after 1 p.m. and their wedding day and delighted the enormous crowds below with an impromptu kiss. Kissing on the balcony has since become a traditional high point of all royal wedding days, maintained right up to the Duke and Duchess of Sussex's wedding in 2018.

23. Charles and Diana had 27 wedding cakes.

A number of high-profile chefs and patisseries were asked to produce cakes for the wedding, including Food Network regular Nicholas Lodge and legendary Belgian pastry chef SG Sender (known as the “Cakemaker of the Kings,” due to the number of European royal weddings he was involved in). In total, some 27 different cakes were baked for the occasion—although the official wedding cake was made by David Avery, the head baker of the Royal Naval School of Cookery. Reportedly, Avery spent 14 weeks preparing the cake, which was a 5-foot tall, tiered fruitcake that weight 225 pounds. In fact, Avery made two cakes (in case one got damaged) so, really, there was really 28 cakes.

24. Some of Charles and Diana’s wedding gifts were quite unusual.

What do you get the couple who (truly) has everything? How about one ton of high-quality West Country peat? At least, that’s what a local village in the English county of Somerset decided to send to the royal couple to celebrate their big day, so that Charles could use the peat to fertilize the gardens on his new Gloucestershire estate, Highgrove House. Besides a host of gold and silverware, jewelry, antique furniture, and priceless art, some of the couple’s other wedding gifts included two four-poster beds, a carpet, a silver mousetrap, a case of Scottish whisky, a first edition of The Complete English Traveller (1771), a 100-year-old set of antique silk mittens, a $20,000 fully-equipped kitchen, and a handmade paperweight created from the same limestone used to build the Tower of London.

25. Charles and Diana’s marriage may not have lasted, but their wedding day was a triumph.

While Diana famously came to (understandably) take very different view of her wedding day, at the time, to her and everyone else involved it was a triumph. “It was heaven, amazing, wonderful, though I was so nervous when I was walking up the aisle that I swore my knees would knock and make a noise," Diana proclaimed of the day. As for Charles? He confessed to a cousin that, "There were several times when I was perilously close to crying from the sheer joy of it all."