A climbable $150 million structure with almost 2,500 steps and 80 viewing landings will be the centerpiece of a grand public space at Hudson Yards, officials disclosed Wednesday. “I wanted to create a ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The playful Escher-esque structure consists of interlocking flights of wooden stairs that can be ...

The Blade Stair, as Diller Scofidio + Renfro calls it, refers to a four-flight stairway wrapping around a 6-inch-thick steel central wall suspended from the sixth floor. (The final flight, extending ...