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 ...

Witches' stairs have alternating treads to fit in narrow spaces. The myth suggests witches' stairs warded off witches, but this is false. The design was popularized by Thomas Jefferson for small ...

Posts shared in early March 2021 claim that alternate-tread staircases are called “Witches Stairs,” allegedly built with the belief that “witches can’t climb up them.” This claim is false, as ...

Not only can you possibly slip off the side and cut a gash in your face on these crazy tread stairs, you could slip and fall crotch first onto the middle bar. Very useful for keeping fatties off the ...

Whether you’re trying to save space or ward off witches, these stairs will apparently do the trick. A popular misconception has social media users apparently believing that a house for sale in ...

How can you add space to a modest-sized house that's already had two additions? That was the question Marty Berens faced with the Shakopee rambler where he and his family have lived for about 15 years ...