Video Why Las Vegas Put the Eiffel Tower Inside a Casino Paris Las Vegas wanted a full-size Eiffel Tower, but the Strip, the airport, and the casino floor forced the replica into a stranger form.
Video The Glass Office Tower Hidden Inside the Domino Sugar Refinery Brooklyn's Domino Sugar Refinery could not be treated like an ordinary development site, so its new office building was slipped inside the landmarked shell.
Video How the Fountains of Bellagio Learned to Dance The Bellagio fountains became a Las Vegas icon by treating water less like plumbing and more like a cast of performers.
Video Why the Las Vegas Sphere Only Works From Far Away Sphere's famous exterior is not a seamless screen up close. It is a huge optical trick made from millions of tiny light points.
Video The Courtscraper With a Tiny Central Park Inside VIA 57 West fused a European courtyard block with a Manhattan tower, creating Bjarke Ingels's first major New York building and a new hybrid type.
Video How Tammany Hall Became a Petco Under a Turtle Shell The old Tammany Hall building at Union Square preserves the facade of New York's most famous political machine, then crowns it with a glass dome inspired by Lenape imagery.
Video The Skyscraper That Used a Plaza to Save Lower Manhattan One Chase Manhattan Plaza used an old zoning rule to rise as a clean slab, then turned its leftover ground into one of Lower Manhattan's great modern plazas.
Video The Unauthorized Bull That Wall Street Could Not Get Rid Of Arturo Di Modica installed Charging Bull without permission after Black Monday. The city removed it, New Yorkers demanded it back, and Wall Street got an icon.
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.