An old abandoned mining town in The Adirondacks where Theodore Roosevelt first learned of the shooting of President William McKinley.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

Abandoned concert venue legendary for its rock counterculture.

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

A crumbling hospital from the 1850s on Roosevelt Island.

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

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

The remnants of an early American attempt at missile defense.

The beauty of urban decay, hiding some dark secrets.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

A Beaux-Arts triumph set to become Ford's innovation campus

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

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

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

Abandoned anti-ballistic missile base.

Abandoned Air Force base that has fallen into disrepair.

An abandoned bait shop with a front lot filled with storage boxes.

Toxic waste disaster that founded the Superfund program.

Four-story concrete hotel never opened to customers.

This former mining town was named the most toxic town in America.

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

An homage to everyone's favorite prehistoric cartoon family.

A classic roadside attraction on Vermont's historic Route 5.

Remnants of a storybook amusement park hidden behind a strip mall.