Spiral Stair (Australia)
Spiral Staircase at the Vatican Museum (Italy)
Loretto Chapel Staircase (USA)
Tulip Staircase at the Queen's House (England)
Staircase at Lello Bookshop (Portugal)
San Francisco's Tiled Steps - World's Longest Mosaic Stair (USA)
munich step, GERMANY
Stairs at the Longchamp Store (New York)
Vertigo Staircase at the QVB Building (Australia)
Bridge-stair at the Traversinertobel (Switzerland)
La Sagrada Familia, Barcelona, Spain
Stockholm Piano Stairs, sweden
Chinese stone staircase
Iniciatic Well, at Qta.da Relaeira (Sintra, Portugal)
Biltmore Estate- Asheville, North Carolina
Art Gallery of Ontario Staircase by Frank O. Gehry
Useless Staircase in Ourense, Spain
Guggenheim - Pure and Simple
Révolution, public Art , Montreal
sumber: kaskus.us