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

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

The rocks in this arid basin leave trails of movement behind them.

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

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

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

A ruined hotel with an unlucky history and an eerie present.

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."

Lucha Libre (Mexican Wrestling) themed taco shop.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

The former Naval shipyard is open for exploring - mostly.

Dilapidated ruins that once treated a notorious young serial killer, currently hosting vandals, squatters, and ghost hunters.

A church of bones, decorated with 40,000 human skeletons.

Race through the maze, get your name on the sign.

The tallest sea cliffs on the Southern Hemisphere are a climber's worst nightmare.

Abandoned power station once home to a squatter community, now being developed into an arts center.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

St. Mary's Asylum was isolated and abandoned before being converted into a Bed and Breakfast.

This hospital once pioneered the use of electroencephalograms, but fell into maltreatment, abuse, and eventual abandonment.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.