The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

A store that sells all manner of bones, insects, and animal curiosities.

A porcelain company's former dumping ground, completely covered in pieces of collectible ceramics.

This mysterious series of teeny guerrilla installations sheds a whimsical light on street art in Oakland.

At night, this glittering musical tunnel draws skaters and photographers.

This odd California folly seems like it was almost designed to accumulate urban legends.

This unique formation appears as though an asteroid landed on the forest.

Cows on a ranch are commonplace, scattered cow bones everywhere? Not so much.

Travelers exchange letters with woodland creatures at this mini post office.

Odd stone and concrete monuments in the "Poet of the Sierras" eclectic folly garden.