At its completion in 1902, architect D.H. Burnham's 22 ... the “Fuller Building” quickly took on the Flatiron moniker, a nod to the building’s resemblance to an old-fashioned flat iron.

Indianapolis once housed the second largest flatiron building in the nation. The structure was also known as the Knights of Pythias building.

the Flatiron Building in New York City looks like an optical illusion. How could a 22-story building look so skinny? Is its narrowest really only 6.5 feet wide? How was this architectural ...