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 The Times Square Supertall Being Built Around the 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.
Video Why Tall Buildings Are Called Skyscrapers Before skyscraper meant a tall building, it belonged to sailing ships, where the word described a tiny sail set near the top of the mast.
Video The Windowless Skyscraper Built for Machines, Not People 33 Thomas Street looks suspicious because it was designed that way: a hardened AT&T telephone-switching tower built to keep communications running through disaster.
Video The Woolworth Building Had to Invent a Way to Fight the Wind When the Woolworth Building became the tallest building in the world, its engineers had to solve wind forces with a bracing system tailored to its strange shape.
Video Why the American Copper Buildings Lean Toward Each Other The American Copper Buildings look like two towers bending in the wind, but the lean helps make their three-story skybridge possible.
Video One World Trade Center Is a Skyscraper Shaped by Security One World Trade Center kept the symbolic 1,776-foot height from the original master plan, but its final form was transformed by security, leasing, and engineering demands.
Video The Flatiron Building Was Iconic Before It Was Practical The Flatiron Building became one of New York's most beloved landmarks despite a triangular site, wind problems, awkward interiors, and years of vacancy.