Becky Cooper, a 24-year-old cartographer ... to map their own versions of Manhattan. She took to the streets, distributing 3,000 copies of a hand-printed outline of the island and encouraged ...

and it inspired Gizmodo to dig up other historic maps. They mashed them together into a cool GIF that shows Manhattan's ever-expanding border, and we picked out five of our favorites. The colored ...

"Our goal was to create a portal that will be used by the full range of people," Maggie Schreiner, the manager of archives and special collections at the former Brooklyn Historical Society ...

The project is basically an intelligent mash-up that digitally displays the entire history of development in Manhattan on one map. Or something ... half of Manhattan Island, and an exploded ...

Ellis Island ... This steel-engraved map by J. H. Colton, from 1836, is an interesting layering of the street grid with the old topography of pre-urban Manhattan. This was a time of explosive ...

The museum’s online interactive map plots the 252 structures on both historic and contemporary maps of Manhattan. A timeline feature starting at 1874 (the year Manhattan’s first ten story ...