1x1 - World's Most Extreme Homes

An extraordinary Swedish home was built to organically blend into its surroundings and resembles a prehistoric creature with scaly skin walls, windows that look like shining eyes and even antennae. In Brazil, where fans are intense in their love of soccer, a mobile phone executive and his dog live in a huge red ball atop a pole. Down in Australia, an architect creates a funky twist on the tree house with a glass and steel construction.