On the summer solstice each year, shadows align with a 14,000 square foot painting to reveal a secret message.

Napa's oldest building is now a Mexican restaurant.

Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

A monument to Lenin has been transformed into a statue of everyone's favorite black-helmeted, fool-choking Sith Lord.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

Dive bar built out of the remains of a whaling ship.

This 19th-century church is now a popular roller rink.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.

The remains of a ruined mansion memorialize the 1906 earthquake.

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

A modern mechanical planetary system, part of a 10,000 year clock.

An essential stop before plundering, BYO Cutlass.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Tiki luxury on Nob Hill.

A museum befitting the city responsible for supplying the majority of the world's LSD.

Its buzzing collection honors vibrator history.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

Temporary Burning Man sculpture made of two 18-wheelers.

A giant open-air sculpture made of over 200 full-sized boats.

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