A private home built to resemble the shape of a microscopic creature.

A celebration of once forgotten materials.

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."

An vast warehouse of everyday treasures in Berkeley, CA.

A 90-acre park on former landfill that hosts an annual kite festival.

International delicatessen has been owned and operated by the same family for more than 110 years.

Dive bar built out of the remains of a whaling ship.

Concrete strongholds stand guard over the Golden Gate.

Antiques by the Bay.

Playable, historic pinball machines fill this Alameda museum.

A crumbling Beaux Arts monument to the Bay Area's age of rail.

Internationally-recognized arts center housed in a century-old former military barracks.

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

The key to turning shifting dunes into the green oasis of Golden Gate Park.

Radioactivity still cause for concern at this urban explorer's paradise.

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

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

A huge musical instrument played by the ocean.

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

A modern mechanical planetary system, part of a 10,000 year clock.

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

A rococo retro-futurist future-rustic vernacular between yesterday’s tomorrow and the future that never was.

An overlooked and unassuming engineering marvel.

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