Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A multi-storied adobe complex has been inhabited for more than a thousand years.

A cave's rare beauty held a cavernous secret hidden underground.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

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

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

Around 100 sculptures from artists all over the world decorate the hiking trails surrounding this locale.

The largest arcade museum in the world chronicles the golden age of video games which ended promptly in 1987.

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

Temporary Burning Man sculpture made of two 18-wheelers.

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

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.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

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

This former lieutenant governor's home is brimming with curiosities.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

An experimental, automotive replica of Stonehenge.

With over 340,000 artifacts and counting, there is something for everyone, often called the "Smithsonian of the West."

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.