A historic arboretum and non-conformist, non-denominational park cemetery.

From the Difference Engine to the Cray-1, all under one roof.

At night, this glittering musical tunnel draws skaters and photographers.

A shining, cold, black organ lies in San Francisco's financial district.

The first AIDS memorial chapel in San Francisco and one of only a few in the U.S.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

A modern frieze of ancient Grecian mythological figures playing a national pastime.

The original place where water met land in the City by the Bay is outlined in brass.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

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

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.

This tall and trim architectural oddity is one of the skinniest buildings in San Francisco.

These WWII-era murals were initially booed as a libelous portrayal of the American dream but have survived multiple attempts to have them destroyed.

An enormous artwork that colorfully celebrates over 150 years of US military achievements.

Deco Modern sculptures of the people of the Pacific, cast for the 1939 Golden Gate International Exposition.

A man-made island in scenic San Francisco Bay.

The Laureates here get something even more coveted than a Nobel Prize: free parking for life.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

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

The oldest house in the capital of Silicon Valley.

Anyone can control this glittery light installation with just a phone call.

A statue commemorate Tommie Smith and John Carlos's brave protest at the 1968 Olympics, a watershed moment for civil rights.

The headquarters of a secretive order is also a beautifully-designed park.