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

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.

The U.S. Post Office handles over 603-million pieces of mail daily.

Food trucks are hitting the big time; across much of America, they're changing the way people eat.

Corn is the largest agricultural crop in the world, and it is used in more than 3,000 diverse items.

Different cultures' history, production and consumption of bread reveal its variety of forms.

Charting an egg's journey from the henhouse to the breakfast table.

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.

The U.S. Post Office handles over 603-million pieces of mail daily.