This massive redwood tree has stood in Northern California for nearly 2,000 years.

The hands on this clock appear to be created by two workers sweeping debris into careful positions.

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

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

In the basement of a San Francisco performing arts center, a small museum dedicated to the history of showgirls.

Under the shadow of its towering parent tree, a rare specimen of sequoia produces ghostly white leaves.

The world's first permanently occupied mountain-top observatory continues to report on the stars.

Designed to resemble foreign architecture, this mosque-looking structure was used to pump water to a royal fountain.

A humble garage, world-famous for being the epicenter of a technology revolution.

In 1998, Larry Page and Sergey Brin briefly ran their fledgling company from this Silicon Valley garage.

The first high-tech company in the valley that actually worked with silicon devices.

The longest burning light bulb in the world.

A gathering of green robots at the Googleplex.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

This airfield played a key role in both World War II and the Cold War.

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

800 apricot trees honor Silicon Valley's agricultural history.

The garage at the childhood home of Steve Jobs was a hangout for the founders of Apple, even if they never built computers there.

The world's most famous donkey lives in this pen.

A tribute to the artist and activist who created the rainbow pride flag.

Gander at model satellites and telescopes in this scientific lobby.

This small monument to the great inventor contains a time capsule and a Wi-Fi hotspot.

The world’s first stop-motion film was created on the racetrack outside this building.

One of Kyoto's oldest food establishments has supplied soba noodles to temple priests and the Imperial Palace.