Wow! That's what I call taking interior design to the next level.

The red hanging stairs at Elvaston Place were designed by Diapo, who was inspired by Do-Ho Suh's "Staircase III" installation. Photo by Agnese Sanvito.

Escaliers Bois Moderne et Rétro

Interior design at its best: 25 sophisticated home decor trends to watch in 2014