America's largest man-made forest was planted in an effort to bring back the past.

This was the first homestead registered after President Abraham Lincoln signed the Homestead Act into law.

A cannon designed to fire an atomic warhead.

A whimsical monument marks the highest point in Kansas, not that you could tell by the looks of it.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

A Wild West saloon that helped define a generation of psychedelic rock.

An errant donkey ushered in a new era of mining in Nevada.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

In the middle of a remote desert town is a surprisingly opulent hotel.

This once bustling boomtown hotel is now the hottest spot in Nevada for ghost hunters.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

Odd outsider art installations surround a Gold Rush-era ghost town.

Before its closure in 2002, this South Dakota mine was the largest and deepest gold mine in Western Hemisphere.

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

The only retired U.S. nuclear missile silo that is open to the public.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This vintage theme park is peak Christmas kitsch—and it's open all summer.

Take a self-guided tour through one of Colorado's most elevated mining districts.

An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

This nearly abandoned town was once a thriving mining community until a series of fires.

A fake mine that was made using real mining techniques which is also used as a community center.

There are eight natural springs around town, each with a slightly different taste.

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.