Eons old volcanic activity created one of the most stunning rock formations in the United States.

San Francisco's newly reopened hands-on science museum.

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

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

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

A library of rare occult books in Los Angeles.

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

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

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

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

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

The ghostly remains of an accidental sea.

The rocks in this arid basin leave trails of movement behind them.

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

Resting place of Hollywood's immortals is also site of summer film screenings.

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 legendary building that needed ghostly approval before being built.

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

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

In the midst of a residential town in Washington exists a property saturated with one man's artistic creations.

The second tallest railway trestle bridge in America.

The remains of a former logging boom town, crumbled away in the forest.

This Seattle curio shop collects and sells haunted items in order to spread wonder one grim artifact at a time.