In this century-old literary safehouse, print is alive and well.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A huge musical instrument played by the ocean.

The eccentric home of Estevão Silva da Conceição, known as the "Brazilian Gaudí."

This sanctuary is home to donkeys who finally get to rest after a life of toil.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Covering 37 subterranean acres, this Armillaria gallic is a famous fungus with its own festival.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

A natural dome made of volcanic glass in Inyo National Forest.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

An eatery within a Bay Area Buddhist temple pulls off all your favorite Vietnamese classics without the meat.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.