Once the largest winery in the world, this castle-like building now sits abandoned on the San Pablo/San Francisco Bay shore.

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

A ghost town originally established and governed solely by Black Americans seeking a place of their own, free from discrimination.

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.

Built by the inventor of the radio, this abandoned hotel has housed early radio employees, military men, and a dangerous cult.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

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

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

This little gem of Spanish Colonial architecture has been abandoned since the 1950s.

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

Abandoned anti-ballistic missile base.

Abandoned Air Force base that has fallen into disrepair.

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

This abandoned motel doesn't welcome guests anymore, but decay and a creepy atmosphere still call it home.

A decommissioned Naval base now rents itself out for people who want to blow stuff up.

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