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

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

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.

The unbelievably opulent home built for an infamous newspaperman.

A bigger-than-life pun that has become a beacon of altruism.

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

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

The site of murders and Satanic cult gatherings.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

An essential stop before plundering, BYO Cutlass.

Quite simply the largest tree in the world (by volume).

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

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

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

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

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

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

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

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

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

A hotel and restaurant serving as the mecca of kitsch.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

A strange house built only at night, with rumored mystic inspiration.