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

Explore 10 acres of environmental sculptures.

A winding path built in secret on the edge of the continent.

Venue for strange sideshow displays and musical acts.

Shop selling 500 flavors of soda has something for everyone.

Panorama exhibition hall in old silent theater with a beautiful backyard garden.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

A hotel and restaurant serving as the mecca of kitsch.

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

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

A trash dump made beautiful by nature's power.

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

A one-of-a-kind collection of a unique medium.

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

World's largest collection of serial killer artwork and other macabre exhibits.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

A huge musical instrument played by the ocean.

Taking the 3D art experience far beyond blue and red glasses.

A beautiful 62-acre Catholic shrine and botanical garden.

A heavenly experience, right here on Terra Firma.