Staircase, Metal Railing, and Wood Tread An elliptical concrete stair forms the pivot point of each floor of the house, anchoring them to the steep escarpment; the stair also wraps around a lift core that descends, mineshaft-like to link the rest of the house to the garage level.  Photo 3 of 35 in 35 Swoon-Worthy Staircases That Are a Step Above the Rest from The Books House

35 Swoon-Worthy Staircases That Are a Step Above the Rest

3 of 35

An elliptical concrete stair forms the pivot point of each floor of the house, anchoring them to the steep escarpment; the stair also wraps around a lift core that descends, mineshaft-like to link the rest of the house to the garage level.