Celebrating ingenuity, invention and imagination on a grand scale, "Modern Marvels" tells the amazing stories of the doers, dreamers and sometime-schemers who create everyday items, technological advancements and manmade wonders.

Buyers in the Atlanta area searching for those one-of-a-kind items -- a vampire hunting kit, anyone? -- know exactly where to go, but the quantity is always limited and the prices fluid.

Truck drivers, some of whom have appeared on the History series "Ice Road Truckers," take their extreme driving skills to much warmer climates, but the working conditions are no less treacherous in this "IRT" spinoff.