
Modern Marvels
Gustave Eiffel designs a tower for the 1887 Paris World's Fair.

Gustave Eiffel designs a tower for the 1887 Paris World's Fair.

Los Alamos scientists and engineers build the ultimate weapon of war in the interest of peace.

The Pentagon, completed in 1943, is the world's largest office building and military nerve center.

Presidential planes, trains and automobiles become high-tech cocoons.

The Nazis build shore fortifications along occupied European coastline.

Gutzon Borglum carves the faces of four U.S. presidents into the Black Hills of South Dakota.

Brad Paisley and his crew of truckers on the road between Little Rock and Tulsa; the Ford F-150 .

The Tennessee Valley Authority harnessed the power of the Tennessee River.

Survival in the unforgiving landscape of Alaska requires an array of technological innovations.

The episode explores the fight against ferocious weather and floods.

Fast and powerful, they come in a hundred shapes and a thousand colors.

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

Tugboats; roller-coasters; funicular railroads; flat-bed truck; 747.

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

Trucks form the backbone of the construction and transportation industries.

Limousines have been stretched to greater and greater lengths.

Hoover Dam; Utah State University Water Research Laboratory hydraulics lab in Logan, Utah.

How superhighways move millions of people every year; 20-lane project in Houston.

Extreme horsepower world: fastest cars, hydroplane boats, container ships, and hybrid technology.

Catering to more than twenty million truckers, truck stops are bigger and better than ever.