This massive crater in the middle of nowhere was used to train astronauts for moon landings.

Graffiti, cars, and religion combine to create this jungle of scrap in the Nevada desert.

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.

This former Mormon settlement is reemerging from the receding waters of Lake Mead.

A brothel nestled amongst ghost towns, with an abandoned plane wreck to greet you.

Michael Heizer's masterwork in the Nevada Basin.

Submerged lava formations create incredible waterworks.

San Francisco Bay's ghost town.

One of the most unusual geological features, recognizable from a dozen hit movies.

100-year-old shipwreck you can walk up to at low tide.

Concrete strongholds stand guard over the Golden Gate.