A technicolor place of worship for Elevationists.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

The largest self-built castle in the U.S., six decades in the making.

Once named the “world’s oldest gas station” due to its unusual construction material.

This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

One man's love for East Coast diner culture brought an entire eatery all the way from New Jersey to Colorado.

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

A hotel with a rich Wild West history of miners and bootleggers.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

Huge hole looks down onto an underground beach populated with sea lions.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

The final resting place of the world's first nuclear reactor.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

The secret city built by the Manhattan Project.

The site of an underground detonation of a megaton nuclear bomb in the middle of the Mojave Desert.

A picture-perfect town, perfect for blowing up.

The largest man-made crater in the U.S. marks the spot where we once tested mining with nukes.

The site where a nuclear bomb was lowered over 8,000 feet underground and detonated as an experiment in natural gas extraction.

The contents of this safe survived a 37-kiloton nuclear bomb.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

A facility built in 1992 for an underground nuclear test remains in place today.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.