If you plan to travel to Yellowstone National Park this summer, plan ahead to protect yourself and this wild and ...

For fly-fishing evangelist Austin Campbell, there’s nothing better than catching—and protecting—Yellowstone cutthroat trout ...

This beautiful expansive park in Washington State is home to what once was a giant waterfall that measured four times the size of Niagara Falls!

There are over 60 national parks in the United States—and they're never more popular than at the peak of summer. This year, ...

Millions of tons of debris collapsed off Sheep Mountain in Teton County into the Gros Ventre River 100 years ago, creating a ...

There are countless natural wonders to see in Arizona, and if you want something a little off the beaten path, Apache Lake is ...

New York's Letchworth State Park, considered the "Grand Canyon of the East," came in at No. 1 on the list. The second-largest canyon in the United States, Palo Duro Canyon slices through the flat ...