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

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

"I did this all while you were watching TV."

Deadly airliner crash preserved for those willing to climb and pay respects.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

The state bird of New Mexico, constructed entirely out of garbage.

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

Steep canyon walls hide a forested oasis in the West Texas desert.

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

One of the oldest active carousels in the country—but it might be missed by all but the keenest-eyed boardwalk strollers.

In the power of this waterfall, Alexander Hamilton saw the potential for industry.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

The land is home to swimming ponies and a legendary 18th-century treasure.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

An abandoned coal mine reached by a steep hike.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

A historic lighthouse steeped in rumors of ghost and pirate stories.

This Moab institution functions as both a rock store and a small natural history museum.

The largest island on the great salt lake is home to curious creatures and strange stories.