Part mural and part sculpture, this work of art sits in the middle of the Promenade, as if swimming in a river of asphalt towards the ocean.

A quiet marker in memory of local men and women lost in WWI.

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.

A hidden subterranean installation offers a view of the sky.

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

Under the shadow of its towering parent tree, a rare specimen of sequoia produces ghostly white leaves.

Olfactory delights in San Francisco's Botanical Gardens.

The remains of a 12th-century chapter house in Golden Gate Park.

California's most comprehensive horticultural library.

Golden Gate Park's historic collection of plants.

America's oldest Italian restaurant is a San Francisco institution.

This shop and studio is dedicated to the art of the book, from letterpress to bookbinding.

A library and museum dedicated to typography.

Lombard Street may be more famous, but this is the real “crookedest street in the world.”

An artsy hidden staircase leads to breathtaking views of San Francisco.

This 19th-century church is now a popular roller rink.

This surreptitious shop is only open five hours per week.

Reverend Franzo Wayne King administers spiritual enlightenment through the music of the jazz legend.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

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

Guns that have been defending San Francisco since 1904.

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