Ross Ching used Photoshop to digitally remove all of the pedestrians and moving cars from these time-lapses! Gizmodo writes: 

His short, the first of a series called Empty America, shows every landmark from the Golden Gate Bridge to Fisherman’s Wharf to Lombard Street to Ghirardelli Square to the Bay Bridge, ‘wiped empty of tourists and traffic.

Empty America - Time-Lapses with Humans Edited Out

via John Nack