One of the last remaining Carpenter Gothic churches is situated on a wildflower conservatory overlooking the bay.

These subterranean storage areas hold emergency water reserves.

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

This 19th-century church is now a popular roller rink.

This surreptitious shop is only open five hours per week.

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

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

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

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

Version of the French Riviera destroyed by the sea.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

The ghost town that ended up on Ebay.

One of the ghostly stops along Route 66.

A remote crossroads honoring a fallen talent.

Oldest building in California still in use.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.