These markers are used to determine the ground stability of the Strip.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

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

This former open-pit manganese mine is now a massive graffiti canvas.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

A giant open-air sculpture made of over 200 full-sized boats.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

A piece of the iconic wall found an unlikely new home in a Vegas bathroom.

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

A land of debatable treasure.

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

Towering basalt columns, a creation of fire and ice.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

The world’s largest concentrated solar plant generates as many problems as megawatts.

This former shopping outlet is now adorned with beautiful graffiti and murals.

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

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

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

The unique collection includes bronze cast handprints of some of America's most famous astronauts.

After the attack on Pearl Harbor, rocks and fossils from every U.S. state were collected into a pyramid of national unity.

A massive tribute to this small county's top agricultural product.