Staircases are generally pretty straightforward. You go up them and you go down them, usually on your way somewhere.
Endless Stair, a temporary sculpture that currently stands on the lawn in front of London's Tate Modern, is more about the journey than the destination. Made up of a series of 15 interlocking staircases that veer right and left, the 25-foot-tall structure looks like it stepped right out of an M.C. Escher drawing. That's not a coincidence; it was inspired by the famous Dutch artist known for his mathematically inspired labyrinthian constructions. … Read more