A spiritual vortex among the red rocks in Sedona.

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

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

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

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

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

This popular pilgrimage site offers a hole filled with holy healing dirt.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Rippling sand dunes frozen in the Arizona rock.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

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

An eatery for UFO seekers on the Extraterrestrial Highway.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Mysterious meeting place for UFO hunters near Area 51.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

Michael Heizer's masterwork in the Nevada Basin.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

This famous Nevada gold mine, once a hotbed of Wild West shenanigans, is now open for tours.

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

A private Las Vegas horse ranch adorned with whimsical artwork.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

If you want to take a peek at Area 51, this is legally as close as you're going to get.

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

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.