Watch out for that last step!

This is one set of stairs that will separate the men from the castrated?

I have no interest in trying to use these after a few drinks.

Justin at StairPorn found this elegant one in a surprising place: A house built at the Rural Studio of Auburn University, where four students designed and built a house with $ 10,000 worth of materials and $10,000 worth of labour.

Check out the details here http://www.treehugger.com/files/2009/07/20k-house-alternating-stair.php?dcitc=th_rss