27-room home built with the fortune of a sugar magnate.

Half of a house.

Art from the latest counter-culture; kids who dye their hair blue and believe the future will be a post-apocalyptic water world.

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

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A pair of pure white felines guard the entrance to a spot of California real estate established as an artist's haven.

This huge clock made of flowers and simple machinery was once used a political weapon.

California's own majestic geyser is powered by a subterranean volcano.

This Oakland fairytale kingdom, fiercely devoted to childlike whimsy, was an early inspiration for Disneyland.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

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

This massive redwood tree has a hole in the base big enough to drive through.

Three hundred years of preserved Spanish colonial history in San Antonio.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

A storybook European village in Berkeley.

Worker-owned cooperative and resource for those looking to lighten their ecological footprint.

Thousands of turbines whir at at the origin of North American wind power.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

A hidden subterranean installation offers a view of the sky.

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

The site of Paul Revere's historic two lantern warning.

Standing in for the first ship to navigate the Northwest Passage.