Concrete stair in grass-Cuppett Architecture. This in interesting but how in the world do you mow this?
Contemporary Staircase by Portland Architects & Designers Alan Mascord Design Associates Inc http://houseplans.co/house-plans/2453/
Arthouse at the Jones Center / LTL Architects
A natural oak and glass staircase connects the three levels of the house
Wooden steps and seats. Public Landscape Architecture (not quite a building)
Industrial-style offices by DH Liberty mix reclaimed objects with minimal aesthetic
Brioni Flagship Store Milano, Milan, 2014 - Park Associati