Stairs are so plebeian! The Manhattan elites rock climb up and then slide down tubular steel slide in this gorgeous penthouse apartment dubbed the Skyhouse, as designed by architect David Hotson.
First, climb up the steel beam in the middle of the living room:
Then enter the gleaming stainless steel slide, which entrance is cut in a hole on a seamless glass wall:
Then you go down, down, down ...
... till you pop out the slide in the bedroom landing: