History geeks and time-travelers from the 1800s, get ready to have your days made: Old NYC combines Google Maps with photographs from the New York Public Library to create a timewarped version of Street View.
Developer Dan Vanderkam compiled over 80,000 photos from the NYPL’s “Photographic views of New York City, 1870s-1970s” collection and plotted them, using geocoding, to their corresponding origins on an interactive map of the five boroughs.