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

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

Amazing meticulous gardens of personal wood carvings, Hydrangea, Canna, and many other flowers.

Nursery with extensive collection of flesh-eating plants operated by the author of "The Savage Garden."

It is locally loved and ridiculed for literally looking like poop.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Napa's oldest building is now a Mexican restaurant.

An Aladdin's cave of old Silicon Valley tech.

Frank Lloyd Wright died a year before construction on his largest public project even began.

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

A huge musical instrument played by the ocean.

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

A man-made island in scenic San Francisco Bay.

An amazing collection of fantastic reptiles, amphibians, spiders, and insects.

After serving in World War II and picking up Apollo astronauts, this aircraft carrier has been turned into a museum overlooking the San Francisco Bay.

One of the best absinthe distilleries in the United States.

A unique market that brings together various goods and cultures.

Playable, historic pinball machines fill this Alameda museum.

Antiques by the Bay.

This (occupied) house is 10 feet wide and full of spite.

A hardware store Buddha statue installed to deter vandalism wound up attracting Vietnamese immigrants who came to pray.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

A hacienda that features all things uniquely Yucatán.