The abandoned remnants of a little sanctuary for world peace that fell into disrepair.

A cannon designed to fire an atomic warhead.

The remains of a World War II-era Japanese American internment camp dot a windswept Colorado hill.

This hot dog-shaped diner has moved all around Colorado, never been to New York.

Hike, ski, or snowshoe to a backcountry yurt that serves up gourmet, four-course dinners.

Abandoned silver mine strewn with wrecked and twisted structures.

Once an unstoppable source of gold and silver, this town came to a grinding stop when the groundwater proved deadly.

The remnants of the base where US Army troops learned how to fight in extreme conditions.

This open-air reconstruction of an Old West town, a cross between a theme park and a museum, provides an immersive historical experience.

This 19th-century ranch is being transformed into a residential library with thousands of books about the natural world.