The final resting place to 300 Victorian-era pets hides inside the city park.

Scattered throughout London are ancient remnants of the city's former bounding wall.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Internationally-recognized arts center housed in a century-old former military barracks.

Concrete strongholds stand guard over the Golden Gate.

The haunting ruins of Jack London's dream house.

A creepy steel gremlin has protected the Bay Bridge since 1989.

One time home to turn of the century explosives, now hidden under the Bay Bridge.

Masterful ceramic fountain and map of the Pacific Basin.

Deco Modern sculptures of the people of the Pacific, cast for the 1939 Golden Gate International Exposition.

An enormous illuminated figure dances on the Las Vegas strip.

San Francisco Bay's ghost town.

This giant shopping mall still holds signs of its automotive past.

An expansive and intricately restored mansion remains from over a century ago--and so do its ghosts.

A pier that used to act as a busy ferry dock is now a decaying favorite of local fisherman and urban artists.

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

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

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

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

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.

Home to the "Circus" trees created by Axel Erlandson.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A vertically floating hemlock controls the waves and weather at Crater Lake.