These half-buried combine harvesters just off Route 66 are an homage to the Cadillac Ranch.

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

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

A sprawling collection of over 106,000 toys from around the world.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

This replica small town lets visitors take a stroll through the story of progress in the U.S. via thousands of Americana artifacts.

The only diamond mine in the world where you can keep what you find.

Home of the International Space Hall of Fame.

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

One of the largest open-pit copper mining operations in the entire country.

Miniature art that tells an enormous story.

A reproduction of earth's many biomes.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

Burping, gurgling geothermal mud pots by the Salton Sea.

The liveliest ghost town in the state.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

Four hundred granite steps were built into this massive rock by the National Park Service.

The hundreds of movies and television shows shot in this high desert town are commemorated in a unique museum.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

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

An eatery for UFO seekers on the Extraterrestrial Highway.

A colorful architectural gem in Seattle's uniquely modern Central Library.

This scenic gorge is named after one of the most famous Bigfoot attacks in pseudohistory.