On HGTV's Extreme Homes, Destin's Toretta House epitomizes Mediterranean opulence on the Gulf Coast.

On Extreme Homes, New Zealand's Sled House was built to move if extreme weather demanded it.

Setsuo Ito's New Age house provides a spiritual sanctuary for its owners.

On Extreme Homes, this amazing Warsaw steel home is only five feet wide and is wedged between two skyscrapers. The home is designed for artists, writers and others but not for family living.

On Extreme Homes, take an inside look at Zurich's Earth Houses which are specially designed for energy efficiency. These homes are tucked deep beneath the ground, have a round circular shape which helps them to survive strong winds and natural storms.

This landlocked houseboat sits atop an arts center on the River Thames.

This Las Vegas megamansion occupies over an acre of supersized living.

On Extreme Homes watch as the crew visits the "Marshmallow House" in the Czech Republic. This extreme home has sloping floors similar to a cinema but the home has few internal walls and has bright paint colors inside.

On HGTV's Extreme Homes, the Salt Point House blends nature with indoors using clever privacy screens.

On Extreme Homes, a design couple creates a unique egg shaped home (Lalaland), on the island of Bali which they created by converting 3 separate homes into one.