The world's largest military aircraft cemetery.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

In Tucson a giant metal snake helps pedestrians cross a busy highway.

San Francisco Bay's ghost town.

A pair of mutilated bronze octopuses slump at the base of the monument honoring California's admission to the U.S.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

Only hotel where you can legally launder money.

Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

The only visible piece of San Francisco's most famous shipwreck.

Visible below the waves are memorials to the city's Gold Rush dead.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

A shape-shifting buy-sell-trade bookstore, born to Beatnik Era spirit.

This subtle Berkeley paving stone actually marks off a lawless tube of air that extends into space.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

The Laureates here get something even more coveted than a Nobel Prize: free parking for life.

This (occupied) house is 10 feet wide and full of spite.