Native Americans built this circle of stones, which was used to predict astronomical events.

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

A popular rock that acted as a waymarker for American pioneers.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

This WWII plane died a quiet death, and is now a garden eel playground.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.