“From one urban explorer to another,” wrote author Becky Cooper in our copy of her new book, Mapping Manhattan: A Love (and Sometimes Hate) Story in Maps by 75 New Yorkers. The concept is simple, but ...

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 ...

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 — ...

This map shows the 'degree centrality' of the streets in Manhattan, New York. This reflects how many other streets are connected to each street, with blue representing simple streets with few ...