Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

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

Olfactory delights in San Francisco's Botanical Gardens.

A century and a half of research in the sciences and natural history, still going strong.

The oldest lawn bowling club in the United States.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

A huge musical instrument played by the ocean.

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

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

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

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

San Francisco's newly reopened hands-on science museum.

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

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

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

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

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

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

An essential stop before plundering, BYO Cutlass.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

This shop and studio is dedicated to the art of the book, from letterpress to bookbinding.

Faceless white figures loom over the city from the rooftop.

One of few lasting examples of the brief octagon craze that developed into folly.