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

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

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

"Only the devil could play golf here."

An eclectic trailer park retreat in the middle of the California desert.

The final resting place of a space program monolith, soon to be unveiled again to the public.

An enormous illuminated figure dances on the Las Vegas strip.

A man-made island in scenic San Francisco Bay.

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

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

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

Guns that have been defending San Francisco since 1904.

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

Golden Gate Park's historic collection of plants.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

World War II-era Nazi compound nestled in the Santa Monica hills.

The private clubhouse for the members of the Academy of Magical Arts.

A cobblestone alley with an interesting past.