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

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

The ghostly remains of an accidental sea.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

A museum dedicated to the history and exploration of both popular music and science fiction.

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

Continuing the tradition of the dime museum in style.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

A toxic ghost town sitting atop a massive coal fire.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

A walk through the historic city center, under the streets of Seattle.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A crumbling hospital from the 1850s on Roosevelt Island.

World's first "penitentiary," meant to be humane, drove men insane.

A cool dive bar, off the beaten track.

The ruin of a Japanese love hotel almost completely overgrown with brambles.

This ruined Japanese stripclub sits half burnt to the ground.

The only thing sweeter than the potatoes is the canine proprietor of this roadside stall.

Coast along one of Japan’s mountain railways for coveted views of magnificent hydrangeas.

A real-life replica of a home from Hayao Miyazaki's beloved movie "My Neighbor Totoro."