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

The perfect spot for a picnic, right next to a giant ballistic missile.

An abandoned car and strange wooden debris are among the scattered remains of the old sand and gravel quarry.

International delicatessen has been owned and operated by the same family for more than 110 years.

A restored 1920s cascade stairway provides one of the best views of Oakland's Lake Merritt.

A working model of the entire San Francisco Bay and much of the Sacramento River Delta, complete with regular tides that change every 14 minutes.

Two pillars set 10 paces apart commemorate the "last notable American duel."

Radioactivity still cause for concern at this urban explorer's paradise.

Here, Father Agapius Honcharenko established his homestead, becoming the first nationally conscious Ukrainian to settle in the United States.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.

The longest burning light bulb in the world.

Law-protected wreckage serves as a peculiar memorial for an almost forgotten World War II tragedy.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

The most beautiful Taco Bell in the world even has surfboard parking.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

Another of California's unused Cold War missile defense complexes has become a graffiti gallery.

A rough granite monument marks the spot where Europeans first caught sight of the San Francisco Bay.

Abandoned landscape once home to "the world's largest winery."

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

Once the largest winery in the world, this castle-like building now sits abandoned on the San Pablo/San Francisco Bay shore.

A working miniature city designed to teach kids about safety and presumably city planning.

Before it was abandoned and left to rust alongside the road, this riverboat starred in a John Wayne movie.

An inconspicuous suburban street corner is the site of San Diego's worst air disaster.