This old cement mine has been used as everything from a mushroom farm to a recording studio.

This mining town boomed in the Atomic Age when uranium was gold, only to be abandoned when the industry collapsed.

An abandoned 1920s-era stretch of cabins now overshadowed by the 66 Motel.

This ghost town was once a cult-like religious utopian settlement.

An abandoned asylum where patients have been forgotten but their possessions remain.

An abandoned asylum once on the cutting edge of lobotomies may be reborn as a Christian college.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

This abandoned caretaker's apartment is one of 13 left in the New York Public Library system.

A short hike into the mountainside forest reveals a decaying 1890s town.

An abandoned 1920s school with a mysterious history.

Rotting dome home spotted near Chapel Hill, North Carolina.

This Detroit ruin was once a gothic bastion of its community, but now it stands as a haunting ruin.

Jacksonville's highways rendered this century-old grammar school unusable.

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

On a dusty county road sit the ruins of a ghost town's abandoned church.

This abandoned school has had many lives since the early 1900s, and all of them doomed.

A century-old network of freight tunnels underneath the city's historic business district.

An abandoned theme park with a strange and tumultuous past.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

An abandoned concrete jungle surrounded by a lush park.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.