One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

A magnificent, reportedly haunted mansion built for a composer by Spiritualists.

Where the writer penned his famous story about a jumping frog.

A mountain range on an active U.S. Navy base hides thousands of mysterious prehistoric rock carvings.

This Chase branch is an homage to Old Hollywood.

This historic graveyard was partially paved over to create a streetcar line.

The location of the last stand of Charles Manson's doomsday cult.

One man's quest for the ultimate road trip vehicle.

Lucha Libre (Mexican Wrestling) themed taco shop.

San Diego's most historic and haunted home.

An inconspicuous footbridge beloved by San Diego locals.

Megachurch turned Catholic church comprised of 10,000 glass panes.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

The overgrown ruins of a once thriving World War I-era copper mine.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

This stately structure has been abandoned for half a century.

The stone walls of a home built to withstand a California wildfire still stand after more than a century.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

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

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

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

An unexpected and peaceful oasis on a hillside.