Remember the Chicago Spire, the planned 2,000-foot condo tower that would twist into the sky like a giant corkscrew but wound up an embarrassing hole in the ground? Well, the architect of that failed ...

Try not to get dizzy: Spiral staircases aren’t just for Victorian libraries anymore. One-of-a-kind twisting staircases in stone, wood and plaster have become sculptural statement pieces in New York ...