Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

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

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

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

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

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

Step inside Lucy, the world's largest "elephant."

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

Watch the newest land on the planet form before your eyes.

This beloved roadside attraction welcomes visitors with his signature neon smile.

Fans of vintage Vegas, kitsch, and toy pony-based gambling now flock to a casino called The D.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

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

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

This vintage animatronics show is the Vegas version of a walk through the woods.

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

The longest living non-clonal organisms on Earth.

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

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

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

Like a kitschy mirage in the Mojave, this eatery serves up classic 50s-style diner meals and a dinosaur sculpture garden.