Henry Grabar joins subway historian Joseph Raskin on a tour of the G train, charting a history of proactive investment in infrastructure through the vestiges of uncompleted projects along its route.

Juliet Helmke traces the origins and prospects of a genre of art that aims to educate and more effectively influence consumer behavior through the reinterpretation of ecological data.

Another selection from the Unfinished Grid Essay Competition considers what two centuries of interpretation of Manhattan's street grid can tell us about ourselves.

Dylan Thuras explains the story behind an online compendium of weird and wondrous places, reflecting on the nature of exploration, discovery and wonder.

Architect and educator Louise Harpman shares student work from NYU undergraduates whose visual representations of complex information make a case for creative "mapping" as a vital tool for researchers and designers.

Two of the co-founders of an innovative “video map” of New York discuss personal expression, urban exploration and the civic possibilities of video.

Michael Chen investigates the physical, spatial and technological significance of the infrastructure of mobile communication networks.

Last night, the Museum of the City of New York brought together a panel of New York City subway map dignitaries for "The New York City Subway Map – Form v. Function in the Public Realm:" designer Massimo Vignelli, designer John Tauranac, author and typographer Paul Shaw, and KickMap creator Eddie Jabbour, in a discussion moderated by Steven Miller.

Mapping all of New York's named residential buildings. Meet you at the Monbijou!

In advance of a major policy event on technology's impact on regional planning, Tom Wright and Rob Lane discuss the meaning and uses of innovation in the New York metro-region.