At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.

The original place where water met land in the City by the Bay is outlined in brass.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

The first fresco Diego Rivera painted in the United States can be found in the former San Francisco Stock Exchange.

A quiet nook at the top of a little-known hilltop park named after California's first poet laureate.

These WWII-era murals were initially booed as a libelous portrayal of the American dream but have survived multiple attempts to have them destroyed.

The neighborhood church casts a breast-shaped shadow that locals have come to call the “two o’clock titty.”

This grinning pup statue is all that's left of what was once a ubiquitous Bay Area diner chain.

Inside this museum, the history of the Walt Disney Family empire is on full display.

Shoot for par over the bodies of the dead on this cemetery-cum-golf course.

These subterranean storage areas hold emergency water reserves.

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

A shining, cold, black organ lies in San Francisco's financial district.

Only hotel where you can legally launder money.

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

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

Faceless white figures loom over the city from the rooftop.

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

One of few lasting examples of the brief octagon craze that developed into folly.

A man-made island in scenic San Francisco Bay.

The miraculous hydrant that saved the Mission District in 1906.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.