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

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

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A huge musical instrument played by the ocean.

The garage at the childhood home of Steve Jobs was a hangout for the founders of Apple, even if they never built computers there.

A giant can of fruit cocktail is all that remains of what was once the world's largest cannery.

A fleet of automotive automatons sleep in this otherwise unremarkable urban garage.

The first high-tech company in the valley that actually worked with silicon devices.

From the Difference Engine to the Cray-1, all under one roof.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

A Nessie-like monster supposedly lurks in this lake.

Formerly the most gerrymandered district in the U.S., it twisted and turned along racial borders.

Colorful murals stationed throughout Charlotte bring poetry to everyone.

A psychological self-portrait in the form of a giant, segmented head.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

A comprehensive collection of Pez dispensers.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.

San Francisco Bay's ghost town.

Guarded by the Angel of Grief, the Stanford family tomb attracts an odd mix of halloween revelry and somber contemplation.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

A hidden world of exotic succulents and cacti.