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

A promotional sun clock on the site of San Francisco's great raceway.

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

Golden Gate Park's historic collection of plants.

The miraculous hydrant that saved the Mission District in 1906.

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

This private residence was the template for one of the most beloved television homes of all time.

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

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

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

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

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

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

Tiki luxury on Nob Hill.

The remains of a ruined mansion memorialize the 1906 earthquake.

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

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

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

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

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

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

Olfactory delights in San Francisco's Botanical Gardens.