The largest building in Kentucky is a 4,000,000 square foot man-made cavern underneath the city of Louisville that houses businesses, storage facilities, ziplines, and a mountain bike park.
The 58-story Millennium Tower, the “Leaning Tower of San Francisco”, has sunk 18 inches with lean of 14 inches (as of 2018). Residents have reported various “creaking” and “popping sounds”.
The US had to abandon construction of a border fort in New York State after realising that they’d accidentally built it on the Canadian side of the border. It was promptly nicknamed “Fort Blunder”.
The largest brick building in the Americas is located on an uninhabited island 68 miles west of Key West.
The shrine buildings at Ise, Shinto’s holiest site, are torn down & rebuilt every 20yrs in line with the belief in the impermanence of all things & as a way to pass building techniques across generations. The buildings have existed for ~1300yrs; the 63rd rebuilding occurs in 2033.
The Pentagon is 6.5M square ft (2X the Empire State Building) and is occupied by 23,000 people, making it the biggest office building in the world. Also, it was designed so that no point in the building is more than a 10 minutes walk from another point. Construction took just 16 months.
Hangleton Manor, the oldest secular building in Hove, England, has a cursed dovecote reputedly haunted by ghost pigeons.
A parking garage in Miami Beach was described as having a “stunning” design and has hosted weddings, wine tastings, and dinner parties.
There is a 550 foot skyscraper in New York City with no windows. It was built to withstand the fallout of a nuclear blast for up to 2 weeks.