A Bicycle Path in the Sky.

The California capital city once stood 10 feet lower than it does today.

Originally the home of chewing gum mogul William Wrigely Jr, it is now the official offices of the Tournament of Roses.

Whiskey lovers, this is your happy place.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

A pair of mutilated bronze octopuses slump at the base of the monument honoring California's admission to the U.S.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

Happy harbor seals frolic and snooze on this warm, sandy stretch of coast.

This San Diego museum, housed in a former Navy training facility, is dedicated to preserving women’s historic achievements.

Four hundred granite steps were built into this massive rock by the National Park Service.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

A tree grown from astronaut seeds which were exposed to cosmic rays.

A B&B on a Victorian lighthouse station in San Francisco Bay.

Room 32 of the Alta Cienega Motel has grown into a shrine to the Lizard King.

NASA's leading space science lab started by a co-founder with deep ties to the occult.

Recovered from the brink of extinction, at home in the Financial District.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

Barely visible foundations remain where Stow Lake’s “observatory” once welcomed visitors.

The grand, column-fronted, sculpture-adorned home of the ambitious digital library.

A famous alternative culture epicenter and where Joplin serenaded young hippies.

Because there's no place like home.

Semi-recognized center of the world, with many oddities.

The sun acts as a key that only fits this giant keyhole twice a year.

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