The restored and active Victorian-era final resting place of San Francisco.

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

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

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

An extensive collection of ancient Egyptian artifacts and mummies.

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

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.

A ruined hotel with an unlucky history and an eerie present.

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

The remains of a ruined mansion memorialize the 1906 earthquake.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

The largest permanent Monopoly board makes one of the longest games even bigger.

One of the ghostly stops along Route 66.

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

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

The largest drain hole in the world.

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

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

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

An essential stop before plundering, BYO Cutlass.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.