Abandoned concert venue legendary for its rock counterculture.

Opulent downtown movie theater now houses cars as an indoor parking garage.

This railway-turned-greenway provides a pedestrian link in downtown Detroit and celebrates urban artwork.

Urban explorers embraced America's now demolished first suburban mall, south of Chicago.

Where a staggering 747 ships were constructed during World War II.

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

Gutted airplanes slowly decay in a Florida field.

A crumbling hospital from the 1850s on Roosevelt Island.

Art Deco urban decay at this historical building.

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

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

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

Secret Manor, a house full of legends, the least of which is the haunting of long-deceased ladies of pleasure.

This quirky curiosity shop takes its cues from the world's bazaars.

Ghost town with a beer-drinking goat for mayor.

Railroad came. People came. Railroad left. Town died.

Odd outsider art installations surround a Gold Rush-era ghost town.

Rabbit Hash is a heaping slice of Americana from another era, with a very peculiar origin behind its unusual name.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

Once the most densely populated place in the world, this island is now a ghost town.

A New England ghost town features a trail of boulders etched with intriguing life lessons.

A small flooded ghost town with a few scattered structures remaining.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.