The oldest alley in San Francisco is paved with a reminder of the city's original shoreline.

The largest whiskey stash on the West Coast survived the 1906 fires--but not without heroic effort.

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

The first fresco Diego Rivera painted in the United States can be found in the former San Francisco Stock Exchange.

A library built during San Francisco's pioneer times is a student's retreat, bibliophile's sanctuary, and chess player's delight.

Early prototype for Frank Lloyd Wright's Guggenheim.

This museum explores the history of the book, from scrolls to mass-produced objects through tools, stories, and massive cast-iron binding machinery (some of it operational).

This Alamo Square mansion is rumored to have hosted satanic rituals and other occult practices.

Russian history in San Francisco.

Chevron maintains one “Standard” brand station per state so it doesn’t lose the trademark.

Its buzzing collection honors vibrator history.

A mysterious painting of the self-declared Emperor of the United States watches over a local hof-brau.

San Francisco's oldest operating hotel, with a Victorian atmosphere and a "haunted" fourth floor.

One of the smallest parks in San Francisco honors the legacy of the "Mother of Civil Rights in California."

Half of a house.

This private residence was the template for one of the most beloved television homes of all time.

The rustic cabin-like decor of this Arts and Crafts-style church reflects the love of nature central to its little-known theology.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

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

This teeny-tiny park built by a San Francisco man in 1962 is mostly stairs.

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

Around the perimeter of San Francisco’s second-largest park is a meandering 2.7-mile path designed to inspire contemplation.

Amazing meticulous gardens of personal wood carvings, Hydrangea, Canna, and many other flowers.

This sculpture was made out of recycled guns that were turned in to the city.