Geologic map and sections of Manhattan Island, State of New York (1898) (all images via New York Public Library Map Division) One of the more intriguing items is a geologic map of Manhattan from 1898, ...

Discover the origins of Manhattan's grid in New York City with insights from Gerard Koeppel, author of 'The Greatest Grid.' This video explores the history and development of this iconic urban layout, ...

How do you best represent the complex New York City subway system on an easy-to-read map? That's a challenge John Tauranac has been working on since the 1970s, when he chaired the MTA's subway map ...