"From historic records, we’ve gathered nighttime spots – bars, clubs, bathhouses, coffee houses, cruising areas, late-night diners, etc – from 1890 to 2015. It is nowhere near complete," says the team behind the huge endeavor.
A sister project maps out the changing route of the New York City Pride Parade:
According to Sarah Kaufman, Assistant Director for Tech. Programs at NYU's Rudin Center, the map was developed by pulling data from historical books, old nightlife guidebooks, as well as anecdotes and verified crowdsourcing.
'We're also working to develop the map for San Francisco and other cities, eventually," she said.