These homes are not from fairy tales. These are unusual houses where imagination meets practicality. Travel and Living Channel’s ‘World’s Greenest Homes’ (Season 2), December 7 at 8 p.m., shows how people can co-exist with the environment. They may be modern but are ingeniously designed to be in harmony with their surroundings. Some harness the energy of the sun, others use local, non-toxic materials or reclaimed wood.

Features such as superior insulation, eco-friendly finishes or solar thermal tubesall blend in with nature.

In ‘Jamie’s America Road Trip,’ December 13 at 9 p.m., Jamie Oliver takes the ultimate road trip of discovery across the U.S. He delves into the underbelly of American society, to cover personal stories.

He tastes real American food and meets interesting but unsung chefs and food producers along the way.