Wrapped around a pneumatic elevator and spanning three floors, this staircase in a custom North Carolina home uses a curved I ...

This half-scale model of a spiral staircase by American studio Matter Design is made from concrete treads that slip neatly over each other. Above and top: photograph by Brandon Clifford The Helix ...

Try not to get dizzy: Spiral staircases aren’t just for Victorian libraries anymore. One-of-a-kind twisting staircases in stone, wood and plaster have become sculptural statement pieces in New York ...

Here is an ideal staircase with double function designed by B PIÙ s.r.l. for small lofts. Thanks to the vertical adjustment ...

Perhaps the fascination began with an after-bedtime reading (by flashlight, of course) of my well-worn copy of The Hidden Staircase, the second book in the Nancy Drew mystery series. Or maybe it was ...

London studio Sybarite has designed a store for fashion label Joseph in the Miami Design District to include round balconies, curved railings and spiral stairs as a reference to the city's seaside ...

This unconventional structural system was inspired by the material in question: as unreinforced concrete has poor tensile strength, it is unsuitable for use in a cantilevered system as used in many ...

Like every other design detail in your home, they can be a reflection of your personal taste and style, while also making life easier (for example, replacing straight stairs featuring a knee-bending ...

Lloyd Alter is Design Editor for Treehugger and teaches Sustainable Design at Ryerson University in Toronto. Alternating tread stairs are terrific for saving space; you only put one foot on a tread at ...