Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

A meditative space out of a fantasy story.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

A strange house built only at night, with rumored mystic inspiration.

A library of rare occult books in Los Angeles.