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

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

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

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

This sailor's boneyard was lost under a parking lot for decades before being rediscovered.

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

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

Fonts are born and bred here at the oldest letterpress type foundry in the United States.

Half of a house.

A monument to the love people have for their pets.

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

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

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

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

This monument to the victims of a tragic explosion is said to turn and look at passing cars.

A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

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

The oldest lawn bowling club in the United States.

A quiet marker in memory of local men and women lost in WWI.

San Francisco’s century-old Christmas Tree.

The legendary statue-hating superintendent of Golden Gate Park is honored with... a statue.

A former hardware store near Yerba Buena is the official home of California's history.