On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

Mysterious meeting place for UFO hunters near Area 51.

If you want to take a peek at Area 51, this is legally as close as you're going to get.

Preserving the remains of Native American cultures which otherwise would have been submerged behind Hoover Dam.

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.

An entire town preserved as a historic landmark.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

Nearly 300,000 acres of wildlife, natural splendor, and a hidden ghost town have been designated a national monument.

See the computer’s history revealed over the course of 20,000 years.

One of the largest, oldest, darkest, quietest motel rooms in the world.

The lost ruins of the forgotten ferry lie hidden beneath the silt.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

The first declared National Monument in the United States.

The world's first nuclear power plant is open to visitors looking to role-play a meltdown.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

One man's ambition created this psychedelic log home.

A warm desert spring holds one of the rarest species on earth.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.