The underground cisterns of San Francisco hold over 11 million gallons of emergency water for firefighters.
Trained raptors shoo away seagulls that otherwise overwhelm the dump and scatter trash into nearby neighborhoods and the San Francisco Bay.
A select group of artists create entirely dump-sourced artwork, reminding us of the value that remains in our rubbish and the fact that nothing ever truly disappears.
San Francisco's privately owned public open spaces (POPOS) provide respite amongst the city's downtown skyscrapers.
A Gothic-style cathedral becomes a space for yoga every Tuesday evening
Downtown's Transamerica Pyramid and Japantown's Peace Pagoda are two of the many San Francisco landmarks made possible by precast concrete.
What have you come across lately in the city that made you ponder?
Over 15,000 people are expected to attend next week's annual Day of the Dead celebration in the Mission.
Discover the lost treasure of San Francisco. Cartoonist Jeff Walker uncovers the history behind Topsy's Roost.
At 4 pm on Friday evening, invitees to Le Dîner à   San Francisco received e-mailed instructions to convene at the Music Concourse, located between the DeYoung Museum and the Academy of Sciences.