A spiralling stack of chunky wooden blocks forms this staircase designed by architecture studio QC for an apartment in Poland. QC, which is based in Rzeszów, created the staircase during the ...

Q: I recently was vacationing in Santa Fe, N.M., and saw the Loretto Chapel staircase. It's a beautiful wooden circular staircase ... I've also seen the Loretto Chapel spiral staircase.

But within the whole complex, the element that draws the most attention for its plasticity, functionality, and symbolism is the helical wooden staircase. When approaching this adaptive reuse ...