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

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.

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

A castle that was built stone by stone by an eccentric journalist.

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

Olfactory delights in San Francisco's Botanical Gardens.

A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

Towering basalt columns, a creation of fire and ice.

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

The ghostly remains of an accidental sea.

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

The only theatre in the world constructed specifically for sound movement.

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

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

A trash dump made beautiful by nature's power.

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

This shop specializes in oddities and Victorian-inspired wonders.

Medical and zoological curiosities for sale.

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

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

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.