Yahoo! Homes' Spaces blog post on the world's narrowest house -- a home squeezed into a 5-foot-wide Warsaw alley -- was one of the most popular, and claustrophobia-inducing, posts of 2012.
The house is an art installation that pays tribute to Israeli author Etgar Keret's family's experiences during the Holocaust. Keret is living and working in the house part time. Read more about this extraordinary dwelling on Yahoo! Homes' Spaces blog.