A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

An abandoned 1920s school with a mysterious history.

Ain't no party like a ghost town party.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

An abandoned asylum once on the cutting edge of lobotomies may be reborn as a Christian college.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

The final remnant of the Arkansas zinc industry is this historically protected ghost town.

The ghost town that ended up on Ebay.

A second generation sun-powered marvel lights up the night.

Remnants of a storybook amusement park hidden behind a strip mall.

An abandoned Victorian-era amusement park is rusting away amidst luxury houses.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

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

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

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.

Continuing the tradition of the dime museum in style.

A popular swimming hole that hides one of America's most deadly diving spots.

A 500-year-old series of tunnels long believed to be folkloric was uncovered beneath the streets of Puebla.

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

Ghost town with a beer-drinking goat for mayor.

The ruins of an ancient city built by Mayan traders is centered around a temple of a sacred feathered serpent deity.

High atop a Mexican rainforest mountain, this ancient pyramid once drew pilgrims countries away.