Abandoned anti-ballistic missile base.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

A strange house built only at night, with rumored mystic inspiration.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

Another of California's unused Cold War missile defense complexes has become a graffiti gallery.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

Once a place of peaceful repose, this sanitarium now faces an uncertain future.

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

The overgrown ruins of a once thriving World War I-era copper mine.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

Before it was abandoned and left to rust alongside the road, this riverboat starred in a John Wayne movie.

An abandoned Cold War missile radar site.

An abandoned car and strange wooden debris are among the scattered remains of the old sand and gravel quarry.

The remains of a deserted steamboat sit rusting beside an old ferry pier and an abandoned train platform.

A lawless town deep in Death Valley was famous for its riches and death rate.

This stately structure has been abandoned for half a century.

The stone walls of a home built to withstand a California wildfire still stand after more than a century.

This mysterious and creepy location instills a strong sense of foreboding in all visitors.

Abandoned in 2009, this once popular resort destination now stands frozen in time.

Remains of a Greek freighter trapped off of Rocky Point in 1961.