Video The Brooklyn Bridge That Slides Sideways Across the Street The Carroll Street Bridge does not lift or swing. It rolls diagonally out of the way, a rare 1889 solution to the tight geometry of the Gowanus Canal.
Video The Beautiful Eggs That Digest New York's Sewage The Newtown Creek digester eggs turn sewage sludge into gas, heat, and fertilizer material, while doubling as one of Brooklyn's strangest landmarks.
Architecture The Brooklyn Towers That Twisted Open a View Eagle + West looks playful from the waterfront, but its strange rotated forms came from a serious urban problem: how to build tall without walling Greenpoint off from the river again.
Video Why New Yorkers Still Commute on a Ski Lift The Roosevelt Island Tram was supposed to be temporary, but a delayed subway, a dramatic rescue, and a full rebuild turned it into a permanent New York commute.
Video Why the Tappan Zee Bridge Was Built in the Wrong Place The Tappan Zee Bridge crossed the Hudson at one of its widest points because the toll money mattered more than the cleanest engineering answer.
Video Why Brooklyn's First Supertall Looks Like a Villain's Lair The Brooklyn Tower borrowed its shape from the landmarked Dime Savings Bank, then turned that geometry into the borough's darkest skyline object.
Video The Battery Memorial Where a Sailor Drowns With the Tide The American Merchant Mariners' Memorial turns a lost World War II photograph into a sculpture that disappears and returns with New York Harbor.
Video Why Louis Vuitton Turned Its Construction Site Into Giant Luggage Louis Vuitton could have hidden its Fifth Avenue renovation behind ordinary scaffolding. Instead, it made the construction cover part of the brand.
Video The MTA Headquarters Renovation That Became a Mob Case 2 Broadway was supposed to consolidate the MTA's offices. Instead, its renovation became a case study in inflated costs, weak oversight, and alleged organized-crime influence.
Video How One South First Carries Apartments Over Open Air One South First at Domino looks like part of it is floating, because its apartments bridge across a gap above the Williamsburg waterfront.
Video How Cleopatra's Needle Was Dragged Into Central Park New York's ancient Egyptian obelisk survived thousands of years, but getting it from Alexandria to Central Park was its own engineering epic.
Video Why 325 Kent Avenue Has a Hole Through the Middle 325 Kent Avenue's dramatic opening was a way to build housing at Domino without turning the Williamsburg waterfront into a wall.