A planet-hunting astrograph built in the 1920s to seek out the so-called "Planet X" beyond Uranus.

The final resting place of the businessman-turned-astronomer who helped discover Pluto stands near his observatory.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

See massive fossils that are over 200 million years old in northeastern Arizona.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.

There's nothing creepier than a cemetery next to a clown motel.

A land of debatable treasure.

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

The most magnificent bottle house in a town strangely full of them.

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

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

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.

A memorial to the unknown and unheralded men and women of the Cold War military and intelligence services.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Rich red almandine gemstones are waiting inside the volcanic rock strewn across this eastern Nevada hillside.

These huge stone ovens in the desert fueled the Nevada silver boom, and may have also been a hideout for outlaws.

Mysterious meeting place for UFO hunters near Area 51.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

Nevada's largest cactus collection stands outside a candy mogul's small factory.