Video Why This Windowless Tower Looms Over the Brooklyn Bridge 375 Pearl Street was built as a telephone switching fortress. Its blank walls made it notorious, then made it valuable again as a data center.
Video The Manhattan Neighborhood Built From Excavated Earth Battery Park City looks permanent now, but the 92-acre neighborhood began as landfill made from Lower Manhattan excavation, harbor sand, and an abandoned waterfront.
Architecture Why 2 World Trade Center Took So Long To Finish 2 World Trade Center became the last missing tower because its design kept changing with Lower Manhattan's economy, from banking floors to media offices to American Express.
Video The Letter Grades Making New York Buildings Show Their Energy Use New York's building energy grades turn invisible utility use into a public sign, while Local Law 97 turns excess emissions into real financial pressure.
Video How One Vanderbilt Bought Height by Fixing Grand Central One Vanderbilt became a 1,401-foot office tower because New York tied private height to public transit improvements at Grand Central.
Video The Empire State Building's Airship Dock That Never Worked The Empire State Building's spire was promoted as a mooring mast for transatlantic airships. The idea was glamorous, dangerous, and almost immediately obsolete.
Video The Trouble Inside 432 Park Avenue 432 Park Avenue was sold as a new icon of luxury height. Residents later alleged that life inside the supertall came with leaks, noise, elevator problems, and cracked concrete.
Video Why Subway Conductors Point Before Opening the Doors The black-and-white zebra board on every subway platform is part of a human-factors trick borrowed from Japanese rail safety.
Video The Torch at 740 Eighth Avenue: A Supertall Built Around Holdouts The Torch at 740 Eighth Avenue shows how Broadway theater air rights, holdout buildings, and a planned drop ride can reshape one Times Square block.
Video The Park Avenue Loophole That Predicted Billionaires' Row Ritz Tower used hotel law, shared kitchens, and luxury service to make vertical apartment living acceptable to New York's richest residents.
Video Inside the Pencil-Thin Tower Above Steinway Hall 111 West 57th Street rises from a landmarked piano showroom into one of the thinnest supertall residential towers ever built.
Video Why the Church at Ground Zero Glows at Night St. Nicholas Greek Orthodox Church was rebuilt at the World Trade Center with Pentelic marble, the same luminous stone associated with the Parthenon.