Architecture around the world has taken some truly unexpected turns. While sleek glass towers and gravity-defying structures ...

We passed single stair in Austin! Thanks to everyone for their support! Let’s go!! pic.twitter.com/VZ4MUua06M ...

Preservationists are pushing to landmark parts of a uniquely shaped ... main staircase and entrance vestibule — saying in a ...

"A light went on, like, 'Oh, this is why apartments in the States suck.'" Only a few US cities, most notably Seattle and New York City, allow single-stair buildings to stretch up to six stories ...