It's a great American wilderness--millions of acres of wild, primeval land with its own people, its own technology...and its own rules. Survival there depends on smarts and science, guts and grueling work...and a unique approach to one of the world's most uncompromising environments--swamps. Watch an assembly of the distinctive airboat, then hop on board for a breathtaking journey and discover the surprising history behind this swamp staple of transportation. Take a wild ride on a big-tired swamp buggy, and taste test some local delicacies that bring new meaning to "acquired taste." Witness a massive engineering project to divert the mighty Mississippi River, and meet the machines that make that job possible. Plus come face to face, literally, with enormous pythons and menacing alligators.

The episode was rated 6.80 from 10 votes.

Don't look now--but there's a lot more to your walls than you'd ever imagine. Take a penetrating look inside something we consider utterly mundane, and uncover a surprising and sometimes shocking world. A computer-managed home in Colorado showcases the high tech gadgetry destined to inhabit every wall in the future. At the headquarters of Orkin in Atlanta, a network of walls with cutouts and Plexiglas windows reveal how pests and creepy crawlies of all kinds can congregate in huge numbers inside our homes. In Washington, scientists at Underwriters Labs play with fire in the name of research, investigating how our walls can keep us safe--or expose us to a fiery death. And in Los Angeles, a security company demonstrates innovative new technology that can "see" through walls--detecting motion, heat, breathing, even heartbeats.

The episode was rated 7.08 from 12 votes.

We live in a highly mechanized world in which billions of products are made by machines--but there are some things that can be built only by using an even more sophisticated tool--the human hand. In New Mexico, a pilot who builds his own jet-powered glider takes to the skies--his very life depending on his handiwork. Canoe makers in Montana, and a knife maker in Washington, handcraft items so unique that customers are willing to pay significantly higher prices than if they were machine made. In the farmlands of Central California, craftsmen keep alive the ancient art of weapon making--see their gleaming suits of armor in action, as weekend warriors do battle. Ever wonder how those impressive animal skeletons in museums are constructed? The artists of Skulls International in Oklahoma City share their secrets. And in Hollywood, the Chiodo brothers reveal how handmade special effects have a charm and character that today's computer animators can't duplicate.

The episode was rated 7.33 from 18 votes.