Living small is certainly not a new idea. But in the US, the housing crash of about 5 years ago really made people think about buying more house than you need (or can afford).
If you’re interested in living small in America, this site has listings for some nice little homes.
Interested in a vacation home in Arizona? Florida? California?
If you’re honestly interested in the tiny house movement be sure to check out Tiny House Talk for great ideas.