Abandoned bridge hidden deep in the San Gabriel Mountains.

The most unique castle in all of Southern California, entirely constructed from repurposed materials.

A non-native grove of 241 redwoods in Southern California.

This mysterious petroglyph evokes the ancient swastika symbol but was later vandalized with the more troublesome Nazi one.

This stately structure has been abandoned for half a century.

A small medical museum with a recreated doctor's office.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

A shockingly detailed small scale recreation of the temples of Abu Simbel.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.