The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

A trash dump made beautiful by nature's power.

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

The southernmost outpost of the Russian Empire in colonial America.

Antiques by the Bay.

Abortion, prohibition, religion, war, and fear all play a part in the history of this idiosyncratic Pacifica castle.

A 1920s speakeasy that had rum runners racing up and down the shores of California.

The world's first permanently occupied mountain-top observatory continues to report on the stars.

The rest of him lived another 61 years and was buried elsewhere.

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

San Francisco Bay's ghost town.

The largest permanent Monopoly board makes one of the longest games even bigger.

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

This private residence was the template for one of the most beloved television homes of all time.

An essential stop before plundering, BYO Cutlass.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

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

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

A 140-year-old castle with underground caves hidden in San Francisco.

A huge musical instrument played by the ocean.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

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