A giant statue perched on dumpsters watches over the freeway.

Thousands of crosses and markers for soldiers who lost their lives in Iraq and Afghanistan blanket a California hillside.

The cavern’s main chamber is so vast that the Statue of Liberty could reportedly fit inside it.

A popular tourist cave with a dark past.

California's longest-running tourist attraction is a stump.

The miraculous hydrant that saved the Mission District in 1906.

This turn of the century masterpiece has a mysterious goaty interloper.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

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

Olfactory delights in San Francisco's Botanical Gardens.

Golden Gate Park's historic collection of plants.

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

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

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

Forgotten and then destroyed by fire, this was once one of the largest saltwater swimming pools in the world.

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

San Francisco's newly reopened hands-on science museum.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

This Art-Deco movie palace is the oldest independent cinema in Atlanta.

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

An underground magnet for ever-changing street art.