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

A brothel nestled amongst ghost towns, with an abandoned plane wreck to greet you.

Eulogizing an unknown man's unusual demise.

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

A Wild West jailhouse that slid down the mountainside.

This otherworldly church spire reaches up toward the heavens.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

A house carved into a rock in the 1940s.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Massive still life just off the highway in Kansas.

When ecosystems collide in the arid Southwest.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

More than 5,000 contemporary and "historic" mustards from around the world.

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.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

Legends surround this jagged rock formation in the New Mexico desert.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

The only road through the heart of Glacier National Park.