Modern Marvels: Season 4

American Steel: Built to Last

Modern Marvels:Las Vegas Hotels: Las Vegas Hotels

47min - Las Vegas has taken tourists to the height of their imaginations while reaching into their pockets. Visit 11 of the world's largest hotels in America's biggest playground.

Medical Imaging: The Voyage Inward

Prosthetics

More Candy

42min - Candy is America's sweetest guilty pleasure--so appealing that we spend $25 billion annually to experience it. This episode journeys across the country to show that behind every delicious bite is a fascinating story of imagination and innovation. Fourth-generation candy makers Nick and Gino Marini reveal how they're redefining the limits of confectioneering.

Mega Speed Countdown

42min - Modern Marvels is going big, and counting down. We take the "best of" Modern Marvels and give you the MEGA Top 10 countdown. On this edition: Speed.

Mega Machine Countdown

41min - Modern Marvels is going big, and counting down. We take the "best of" Modern Marvels and give you the MEGA Top 10 countdown.

Mega Weapon Countdown

40min - Modern Marvels is going big, and counting down. We take the "best of" Modern Marvels and give you the MEGA Top 10 countdown.

Modern Marvels: Mega Food Countdown

41min - Modern Marvels is going big, and counting down. We take the "best of" Modern Marvels and give you the MEGA Top 10 countdown. On this edition, the top ten guilty pleasures you just can't resist... America's Favorite Foods.

Tiny Weapons

41min - Tiny" weapons may not sound impressive...but small can kill, and it can also be easily concealed. From a pocket pistol used by the police...to a submachine gun wielded by a bodyguard...to a carbine in the hands of an Army Ranger.

Under Pressure

42min - Every aspect of our lives involves pressure. It's what puts the bubbles in soft drinks, propels shaving cream from its can, cools the contents of your refrigerator, and causes volcanoes to erupt. But when pressure suddenly changes, you better look out!