The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

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

The first life claimed by this record-breaking peak wasn't lost to exposure or a fall but rather lightning.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

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

This lesser known Hearst estate is a fairytale village built from the stolen bones of historic European buildings.

A ruined hotel with an unlucky history and an eerie present.

Elephant seals and sea lions have turned the abandoned buildings on this island into their endangered love shack.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.

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

The unedited photograph called "Bliss" has graced the screens of over a billion computers.