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

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

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

Golden Gate Park's historic collection of plants.

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

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

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

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

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

Tiki luxury on Nob Hill.

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

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

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

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

A winding path built in secret on the edge of the continent.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A huge musical instrument played by the ocean.

The neighborhood of Eagle Rock is named after a gigantic boulder with a shadowy surprise.

60 feet of towering steel balances gracefully.

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

Legendary frontman of the Doors looms in this giant mural by famed Venice muralist, Rip Cronk.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

The blinking light atop the iconic landmark has been sending secret messages for decades.