An artist's cute bronze subway sculptures belie his violent artistic past.

These markers are used to determine the ground stability of the Strip.

A giant open-air sculpture made of over 200 full-sized boats.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

The world-record holder for the longest bridge stretching continuously over water.

The state's oldest continuously operating museum houses more than 5,000 Civil War artifacts.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

The only rotating bar in New Orleans has been slowly spinning since 1949.

Chevron maintains one “Standard” brand station per state so it doesn’t lose the trademark.

These subterranean storage areas hold emergency water reserves.

A monumental cross hides in the trees in Golden Gate Park.

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

A garden oasis filled with flowers mentioned in the works of William Shakespeare.

The miraculous hydrant that saved the Mission District in 1906.

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

Golden Gate Park's historic collection of plants.

The remains of a ruined mansion memorialize the 1906 earthquake.

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

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.