Two developers, Dan Vanderkam and Raven Keller, had the brilliant idea to take all the old photographs from the San Francisco Historical Photograph Collection and put them on an interactive map ...

The pictures open a window of time, revealing vast views of the old city — a birds eye glimpse of San Francisco in a time of hope and promise — before the 1906 disaster.

San Francisco's Chinatown, the oldest Chinese enclave in America, has a rich history. It's a site where concerns over larger issues of immigration and racial discrimination played out. After the ...