From tomato-can carburetors to a multi-million dollar empire, roar through the decades on the trail of an American icon, and hear from famous Harley enthusiasts like Peter Fonda and Jay Leno.

The Golden Gate Bridge is a vital artery for the city of San Francisco. The critics said it could never be built. The project looked impossible; the span of the bay was too wide; the shore was too unstable; and the tides too turbulent. Learn why engineer Joseph B. Strauss' plans proved to be a masterpiece of design and function. In four years, the longest, highest, most spectacular suspension bridge on Earth opened to the public, and went on to become...

Called the substance that became the building block of civilization, this episode follows the varied uses of concrete from Roman times to the present.

Explores the history of the freight train.

It transports electricity, water, and heat. It brings music to our ears and beauty to our eyes. Modern Marvels delves into copper--its impressive traits, long history, and how it's mined. This versatile metal's most famous attribute is its ability to conduct electricity--copper wires connect and energize the world. And it's revolutionizing the electronics industry by enabling ever-shrinking computer chips. It's also formed into plumbing pipes to convey...

The dream-to-reality stories behind the construction of America's first transcontinental railroad system, completed after a decade of work on May 10, 1869, when the last spike was driven at Promontory, Utah.

Throughout America, the 4th of July is a summer celebration of beaches, barbecues, and the birth of the nation, where parades march down Main Street and the night sky lights up with stunning fireworks displays. But how did these traditions begin?

A profile of the transcontinental railroads that united the nation and subdued the West. Dramatizations, period photographs, and extensive interviews combine to animate this vigorous period in U.S. history.

"They are among the most sophisticated and innovative machines ever built. They have flown further, higher and faster than any other planes ever made. Ride through the history of revolutionary aircraft. From the X-1, the first plane to travel faster than the speed of sound, to the X-43 Scramjet, which recently topped mach 7. Experts examine every facet of these historic machines." -- Publisher Web site.

The journey of a single tree from forest, to sawmill, to consumer; the evolution of logging from frontier days, when the technology was crude and the wood seemed inexhaustible, to today, when the reverse is true; options we may have for preserving the industry, and the ecology, for future generations.