NATURE

From a book no one can decipher and puzzling disappearances to unsolved crimes and beyond, many of these historical mysteries still have us scratching our heads.

Why are sloths so slow? Discover these fascinating facts about sloths, from their unique anatomy to their surprising swimming abilities.

There are sparkling glacial lakes, breathtaking sunsets, and mountains disappearing into clouds in this high-def tribute to Grand Teton National Park.

There's much more to the Wyoming landmark than what you saw in ’Close Encounters of the Third Kind.’

Red foxes, barn owls, and American alligators are just a few beasts that make scary sounds.

Caves and volcanoes don’t often go hand-in-hand in our imaginations, but the second most common type of cave in the world is made from the power of volcanoes.

On September 23, 2023, you can visit the Statue of Liberty, Alcatraz Island, or any of the 400-plus other monuments, parks, and historical sites overseen by the National Park Service for free.

From burrowing owls to smooth green snakes, these animal names don't leave much to the imagination.

Thousands of beluga whales are swimming south, and you can watch their progress live.

Diving into a pool or lake to escape bees could result in a death worthy of a 'Final Destination' movie.

Poison ivy isn’t the only thing that can give you a nasty rash.

Officials are using snowplows to clear the roads of the dead and objectively disgusting bugs.