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

A suspended garden, now gone, once hung in the middle of this abandoned church.

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

The angel of death appears to weep black tears at this grave marker.

An abandoned relic of the city's failed experiment with below ground transit.

Where beautiful signs live on forever.

The largest earthwork effigy in the world.

The tragic reality of a town riddled with rumors of haunts, chemical spills, and serial killers.

This stunning gothic ruin was a casualty of the Indiana steel industry crash.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

A concrete block embedded with thousands of pulled teeth was created by a local dentist to memorialize his dog.

Deep scars on the earth left by the Ice Age.

These beautiful wineries were at the center of Lake Erie's "grape belt" back when the Midwest dominated American wine production.

Take a drunken tour inside the world's largest known geode.

Small, privately owned island divided between Michigan and Ohio with abandoned vacation homes and a derelict lighthouse.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

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

The city is full of whimsical portals to another world.

An ever-evolving wall of graffiti art off East Liberty Street.

This empty Detroit high school was too expensive to maintain or destroy.

Over a thousand feet beneath the Detroit streets is a subterranean metropolis few are allowed to enter.

Glass and concrete building designed by Albert Kahn.