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

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

The 1,522-mile-long Alaskan Highway takes 11,000 soldiers to build.

Trans-Siberian railroad provokes war, crosses treacherous terrain.

Metal has helped shape human progress since man first thrust copper into a fire and forged a tool.

Military planners move soldiers and cargo halfway around the world.

In 1947, young test-pilot Chuck Yeager becomes the first to smash through the sound barrier.

The controversial logging industry topples 4 billion trees annually.

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

The 1,522-mile-long Alaskan Highway takes 11,000 soldiers to build.

Trans-Siberian railroad provokes war, crosses treacherous terrain.

Metal has helped shape human progress since man first thrust copper into a fire and forged a tool.

Military planners move soldiers and cargo halfway around the world.

In 1947, young test-pilot Chuck Yeager becomes the first to smash through the sound barrier.

The controversial logging industry topples 4 billion trees annually.

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

The 1,522-mile-long Alaskan Highway takes 11,000 soldiers to build.

Trans-Siberian railroad provokes war, crosses treacherous terrain.

Wally Amos decides to sell his own gourmet chocolate chip cookies; Debbi Fields opens a cookie shop.

Lee Marshall bets on a new kind of bread, inspiring a homemaker to create a healthier alternative.

Tom Carvel discovers that half-melted ice cream is a surefire hit with customers.