A central vacuum system, proposed by Science and Invention magazine in 1922, would have drawn dirt and dust from NYC's pavements and sucked them up with hoses.
The modern allure of the George Washington Bridge is a mere accident of time, as it was originally intended by Cass Gilbert to be a Beaux Arts masterpiece.
In 1968, Columbia University was rocked by students protesting against the University's involvement with the Vietnam war and segregation of a campus gym.
Grant's Tomb in Riverside is a familiar sight on the Hudson River but did you know it's unfinished? The original plan and alternates in the design competition.
In 1951, the Goodyear Tire and Rubber Company proposed a conveyor belt system that would have taken 60,000 riders daily between Grand Central and Times Square
Robert Moses' LOMEX plan would have connected the Manhattan and Brooklyn Bridges to Holland Tunnel, razing 14 blocks of what is currently SoHo and Little Italy.
In 1921 it was estimated that construction of St John the Divine would take 700 YEARS. A look at the plans that never came to be in this NYC That Never Was.
We look into an engraving called the Future of Trinity Church, where Trinity Church get completely eclipsed by an enormous skyscraper.
NYC's Methodist Church once planned for an elaborate skyscraper temple on Broadway but it was derailed by the Depression.
Before the High Line, Alfred Speer proposed a moving elevated sidewalk to relieve street congestion and ferry pedestrians up and down Broadway.