Explore the origins and context of the 1811 Manhattan grid plan, a key layout of the city that has defined its development.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NEW YORK (AP) — Twice per year, New Yorkers ...

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, ...