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.

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

Faceless white figures loom over the city from the rooftop.

Its buzzing collection honors vibrator history.

Created in 1972, the famous sculptor's intricately detailed monument to San Francisco is overflowing with city landmarks.

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

Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.

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

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

A speck of nature and art in one of San Francisco’s most notorious neighborhoods.

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

Furniture tries to escape an abandoned building in San Francisco.

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

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

Over 315,000 preserved amphibians and reptiles in jars.

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

An overlooked and unassuming engineering marvel.

Golden Gate Park's historic collection of plants.

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

Join the circus for a few lessons to learn clowning, acrobatics, and Chinese contortion.

Huge otherworldly domed rocks on the shore of a deadly lake.

World's largest collection devoted to one fruit.