NATURE

From natural wonders like Guairá Falls to literary works from Hemingway and Byron to paintings by Picasso and Renoir, here's a list of just a few priceless things that are gone forever.

When the Brood X cicadas emerge in late spring 2021, their mating calls will rival the volume of lawn mowers, car stereos, and low-flying planes.

The giant wood moth dies a few days after reaching adulthood, and females are so heavy they have trouble flying.

The happy little program includes Bob Ross painting classes and tree-planting around Michigan state park lands.

Utahraptor State Park owes its name to a massive, velociraptor-like dinosaur whose fossils were first found in the area.

Travel through the Scottish Highlands on the Royal Scotsman train with Omaze’s latest sweepstakes, aimed at raising funds for Black Voters Matter.

The Merlin Bird ID app from Cornell's ornithology lab helps you identify the birds you see even if you don't have a picture.

Playing a spot-the-difference game no longer requires shelling out for a subscription to ‘Highlights’ magazine.

West Virginia's New River Gorge National Park is home to a seven-acre island featuring a cozy three-bedroom cabin, three rivers, and tons of outdoor activities—with nary another soul in sight.

Here’s when to plan your next free trip to Yellowstone National Park, the Grand Canyon, or anywhere else run by the National Park Service.

In place of fingers and sewing equipment, watch as a tailorbird uses foraged fibers and a needle-like beak to stitch its nest.

Anybody can visit a national park for free on Veterans Day—now military veterans and their families can go for free whenever they want.