As the second season begins, Matt Rodgers helps to put up Cirque Du Soleil's big top; shoots the rapids at the U.S. National Whitewater Center to train Olympic kayakers, and assists the Navy in moving a fleet of Hummers via one hovercraft.

A visit to Las Vegas to see how massive amounts of dirty laundry are cleaned. Also: turning sand into glass.

Host Matt Rogers helps in the rescue of two whale sharks and assists in transporting them to an aquarium. Also: how Las Vegas hotels clean their enormous loads of dirty laundry.

A trip to the Middle East to see the world's tallest building and biggest indoor skiing venue. Also: building and installling a 50-foot fossil burner.

Matt visits a solar field in New Mexico; examines the canal bridge in Magdeburg, Germany, a half-mile structure over the Elbe River where ships can travel when the water level in the river is too low; and assists in the construction of a man-made island.