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.

A famous alternative culture epicenter and where Joplin serenaded young hippies.

A brooding mansion of clinker brick stands out among the Victorian houses of Pacific Heights.

Join the circus for a few lessons to learn clowning, acrobatics, and Chinese contortion.

A man-made island in scenic San Francisco Bay.

San Francisco's most expensive hotel suite includes a secret passageway rumored to have been used by JFK.

Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

A library and museum dedicated to typography.

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

A monument to the love people have for their pets.

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

Golden Gate Park's historic collection of plants.

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

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

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.

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

The tea room that pushed the boundaries of adorable straight into... we can't find the words.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

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

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

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

Olfactory delights in San Francisco's Botanical Gardens.