The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

A historic hotel that made a cameo in Hitchcock's classic film has no intention of letting guests forget its fame.

A 300-ship graveyard, with a few still visible at low tide.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

Commonly referred to as the most photographed Victorian home in the United States.

A hidden subterranean installation offers a view of the sky.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Visible below the waves are memorials to the city's Gold Rush dead.

A modern mechanical planetary system, part of a 10,000 year clock.

Floating man-made island and upscale restaurant.

"Only the devil could play golf here."

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

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

One of the ghostly stops along Route 66.

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

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

A former utopian healing center created by a huckster and built by derelicts.

One of the most unusual geological features, recognizable from a dozen hit movies.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.