“These modern, minimalist stairs seem to float ... as the name suggests, a curved staircase has a rounded, crescent shape.

Irwin Stein, a Philly native and Penn grad, designed the home for himself, complete with a swirling spiral staircase and a ...

A Modern Stair Railing Makes This Brooklyn Brownstone ... Explore more of this renovated brownstone in the full home tour. 3.