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

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

This eatery transports diners to a place that no longer exists: East Germany.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

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

Sitting atop San Francisco's tallest hill, a cross honors the victims of the Armenian genocide.

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

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

Two pillars set 10 paces apart commemorate the "last notable American duel."

Amazing meticulous gardens of personal wood carvings, Hydrangea, Canna, and many other flowers.

A large instrument played by the wind.

A rough granite monument marks the spot where Europeans first caught sight of the San Francisco Bay.

A comprehensive collection of Pez dispensers.

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

A classically inspired temple in Redwood City.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

This old-world mansion with lush gardens is a gem in the heart of Silicon Valley.

A humble garage, world-famous for being the epicenter of a technology revolution.

Guarded by the Angel of Grief, the Stanford family tomb attracts an odd mix of halloween revelry and somber contemplation.

A hidden world of exotic succulents and cacti.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

The world’s first stop-motion film was created on the racetrack outside this building.

This odd California folly seems like it was almost designed to accumulate urban legends.

From the Difference Engine to the Cray-1, all under one roof.