The internet’s most wicked staircases

Need some troll-ish ideas for designing your next staircase? From vertigo-inducing carpet to confusing angles to optical illusions no one asked for, this Twitter thread — aptly titled "Stairs designed by a serial killer" — might spark some inspiration, if not a chuckle or a scoff. 

While we're at it, feel free to add any staircases from hell that you've encountered in the comment section below.