An off-grid art installation that encourages its visitors to imagine a world without waste.

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

A hand-built folk art installation covered with messages of God's love.

At this deceptively beautiful beach, nothing is what it seems.

Huge otherworldly domed rocks on the shore of a deadly lake.

Burping, gurgling geothermal mud pots by the Salton Sea.

The world's only moving mud pot has left a path of destruction to local infrastructure

The ghostly remains of an accidental sea.

Go deep on these fascinating fish, and get a bonus lesson on the importance of marine conservation.

An inconspicuous footbridge beloved by San Diego locals.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

The Giant Lemon of Lemon Grove.

A Biblically-based Natural History Museum.