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

Once the largest windmill outside of Holland, with enormous 114 foot sails.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

A herd of 150 bison live on California's Santa Catalina Island and are at the heart of an ongoing debate between environmental protection and economic expansion.

Guns that have been defending San Francisco since 1904.

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

'Cause the fence start shaking, the earth was quaking.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

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

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."

Forgotten and then destroyed by fire, this was once one of the largest saltwater swimming pools in the world.

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

Suburban observatory was personal lab of the father of modern astrophysics.

The long, arduous journey of the stones of the Abbey of New Clairvaux.

The former Naval shipyard is open for exploring - mostly.

California's oldest wind harp represents a historic piece of America's Danish history.

Where a staggering 747 ships were constructed during World War II.

A popular winter vacation destination for migrating monarch butterflies.

A crumbling Beaux Arts monument to the Bay Area's age of rail.

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

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

This abandoned boat was left in place thanks to its rotting beauty.

A sudden forest of traditional Papua New Guinean art works is hidden in a corner of Stanford University.

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