If you've never heard of a McMansion, get ready for a crash course in gaudy, oversized home design. In this hilarious talk, Kate Wagner, creator of the blog McMansion Hell, roasts a few of these architectural eyesores, and discusses how builders and homebuyers can make better design choices with an eye to both sustainability and aesthetics.

The idea of “home” is changing for many people. With vast numbers of migrants moving by choice or force, how do we know where we belong?