Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

The Magical World of George Phar Legler.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

America's only nuclear missile silo open to the public.

A stealthy Apache hideaway that became the haunting site of a mass grave.

One of the largest, oldest, darkest, quietest motel rooms in the world.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

A self-built castle made by a mysterious man.

A reproduction of earth's many biomes.

An homage to everyone's favorite prehistoric cartoon family.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

Rippling sand dunes frozen in the Arizona rock.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Wayne Newton's sprawling estate is now open for visitors to catch a glimpse of his "heart and soul."

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

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

The best Tiki bar in Las Vegas.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

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