A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

Treehouse motel and treehouse-building school.

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

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

A collection of haunted objects and macabre oddities under one roof.

This traditional garden in the San Fernando Valley doubled for Star Fleet Academy, and is irrigated entirely by wastewater.

A unique sculpture park that specializes in the huge and bizarre.

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

Mile-long cave system near Great Smoky Mountains.

The site of murders and Satanic cult gatherings.

An abandoned theme park with a strange and tumultuous past.

The fading, forgotten remains of a once bright and booming factory.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

Half of a waterfall goes into the river while the other half seems to disappear.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

Free public park and gardens filled with peacocks and peahens.

"The House That Love Built" is shying away from "The House That Ghosts Love."

Gift shop offering toe tags and chalk body beach towels tucked into a coroner's office.

The loneliest island in New York.

Abandoned concert venue legendary for its rock counterculture.

A luxuriant botanical garden below sea level.