While Yellowstone has a reputation for beauty and leisure, it can also be a dangerous place. One man, Truman Everts, discovered this firsthand in 1870 when he became lost there for 37 days.

Wisconsin's Aztalan State Park is home a mysterious pyramidal mound built by the prehistoric Native Americans who once lived there. Excavations of the site have yielded intriguing, and grisly, findings.

Every year, people are injured or killed at Yellowstone with distressing regularity: from the two women who tried to take a selfie with an elk, to victims of bear attacks, to people falling into the thermal pools.

Yellowstone is steeped in Native American tradition, with the region seen as the ancestral home of tribes like the Blackfeet, Shoshone and Umatilla.

Many of president Lyndon B. Johnson's most important policies--from the Civil Rights Act to Medicare--were influenced by his modest upbringing in Central Texas.

Mount St. Helens sits quietly now, but her legacy is one of devastating destruction.

Cotton is the crop that has shaped Georgia's landscape and economy for hundreds of years.

Built during the Klondike Gold Rush in 1898, the Yukon and White Pass Railway is a stunning sight. Given its speedy, two-year construction, this narrow gauge railroad, with its sky-high beams, is quite the marvel.

Lynchburg, Tennessee is home to the oldest registered distillery in the US and its world-renowned whiskey - Jack Daniel's.

Southern California is home to some of the most extreme landscapes on the planet--none more so than Death Valley where, in 1913, the temperatures reached a world-record high of 134 degrees fahrenheit.