
Modern Marvels
Leonardo da Vinci: great artist, scientist, and inventor with incredible machine designs and plans.

Leonardo da Vinci: great artist, scientist, and inventor with incredible machine designs and plans.

Wind tunnel; flight simulators; mining machine; IMAX technology.

Congressional mandate creates the U.S. Army Corps of Engineers.

Traces physical fitness' role in the health of the individual and society.

Spirit distillation art and science: visit brandy, moonshine, and absinthe distilleries worldwide.

Termites, mosquitos, rats have spread damage, disease and death.

How wheat feeds the world; wheat becomes everything from bread to beer.

Supersized stores try to meet their challenge, keeping up with demand on a massive scale.

Around the world, people consume billions of gallons of milk every day.

Otis Spunkmeyer creates the cookies found at some of the biggest restaurant chains in America.

Adam Richman gets to see how Wise produces over 50 million bags of sweet and salty snacks per month.

Every 15 minutes, Americans insert more than 3.5 million coins into machines.

Capturing and transmitting music; Edison phonograph; digital sound.

Meteorology; early observations; thermometers; barometers; Doppler radar; satellite imaging.

Giant, flame-breathing robots; floating fortress; diesel engine with 108,000 horsepower.

The Big Dig is the most amazing municipal construction project in U.S. history.

A toxic waste dump at Love Canal; the collapse of 7 World Trade Center; a nightclub fire in Boston.

It's the place where one man's trash is another man's treasure; enter the world of the junkyard.

Traffic was created on roadways, railways, airways, and seaways; traffic that must be controlled.

Freight trains transport 1.8 billion tons annually through Union Pacific's Bailey yard system.