There’s a dark, windowless room in the Manhattan Borough President’s office where centuries of New York City history live. That room is where Hector Rivera oversees hundreds of years’ worth of maps — ...

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, ...

New York’s history is laid out in its streets. Most of those streets are open to the public. But throughout Manhattan, the city’s oldest borough, you can find private streets that were drawn and ...

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 ...