Giant nude woman of Tijuana is also the artist's home.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

World's largest collection of serial killer artwork and other macabre exhibits.

Medical and zoological curiosities for sale.

A tree grown from astronaut seeds which were exposed to cosmic rays.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

A pair of mutilated bronze octopuses slump at the base of the monument honoring California's admission to the U.S.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

The only visible piece of San Francisco's most famous shipwreck.

A famous alternative culture epicenter and where Joplin serenaded young hippies.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

Adolph Sutro's little-known, geographically inaccurate, deprecated monument.

The miraculous hydrant that saved the Mission District in 1906.

A promotional sun clock on the site of San Francisco's great raceway.

This turn of the century masterpiece has a mysterious goaty interloper.

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

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

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

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

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