Legendary frontman of the Doors looms in this giant mural by famed Venice muralist, Rip Cronk.

Friendships have been forged over ham and eggs every Wednesday morning for nearly a century.

800 apricot trees honor Silicon Valley's agricultural history.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

Nose around a unique collection of more than 300 natural aromas used to craft perfume fragrances.

A miniature view of the park, caught in time.

Once the gateway to the utopian dream-village of a Civil War embalmer.

A playground built by the kids that is a child's wonderland, and a helicopter parent's nightmare.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

A speck of nature and art in one of San Francisco’s most notorious neighborhoods.

Created in 1972, the famous sculptor's intricately detailed monument to San Francisco is overflowing with city landmarks.

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

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

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

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

A 300-ship graveyard, with a few still visible at low tide.

A creepy steel gremlin has protected the Bay Bridge since 1989.

A winding path built in secret on the edge of the continent.

Early prototype for Frank Lloyd Wright's Guggenheim.

This small oasis of flora and art was created in remembrance of a local auto business owner.

A former hardware store near Yerba Buena is the official home of California's history.

Adolph Sutro's little-known, geographically inaccurate, deprecated monument.

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

Oakland's beautiful monumental cemetery.