Sitting atop San Francisco's tallest hill, a cross honors the victims of the Armenian genocide.

This painted marvel is San Francisco's 400-foot ode to urban biking.

Inside this museum, the history of the Walt Disney Family empire is on full display.

San Francisco’s century-old Christmas Tree.

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

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

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

An artsy hidden staircase leads to breathtaking views of San Francisco.

One of few lasting examples of the brief octagon craze that developed into folly.

Half of a house.

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

Adolph Sutro's little-known, geographically inaccurate, deprecated monument.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

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

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

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