Assignment Discovery

Tour the natural and historical treasures of one of the world's most diverse continents. Meet two unique creatures of Gal?pagos that intrigued Charles Darwin. Travel to the ruins of the ancient Inca city of Cuzco, Peru. See the majestic cataracts at Igua?u Falls, where water and gravity collide.

Explores how applied physics relates to the design and construction of roller coasters. Describes the physical dynamics of a roller coaster, explaining the role of potential and kinetic energy, friction, gravity, momentum and acceleration. Also introduces how the inertial effects, known as G forces, give roller coaster riders a thrilling experience.

The world witnessed its share of battles and conflicts during the 20th century. In All Quiet on the Western Front, explore the changes experienced by the main character and examine why his story is an enduring antiwar novel. World War II: War in the Pacific features interviews with Japanese and American veterans and explosive combat footage to create and unsparing account of the complexities and brutalities of war. In a stirring account of the Japanse attack on Pearl Harbor, learn details of the surprise attack and America's entry into World War II. Learn what set the stage for The Korean War, why President Truman and General MacArthur clashed, and how the shadow of China's Chairman Mao grew as events progressed. In The Vietnam War, see powerful footage that depicts a president struggling to bring an honorable conclusion to a war abroad, while scandal and subterfuge deal a dishonorable blow to his presidency.

Ever dance in the streets with a skeleton? Tag along with three young travelers as they explore the roots of two important celebrations--Mexico's Day of the Dead and Belize's tasty annual Cashew Festival.

The place that Teddy Roosevelt felt was too majestic for man to meddle with offers far more than breathtaking vistas. The canyon supports a vast, fragile ecosystem that begs for preservation. Journey down the Colorado River with esteemed naturalist John Powell to learn about both the life here now, and the Native American life it supported for thousands of years.

Formed by geologic event millions of years ago, the Midwest was once a sea of grass. Today the prairies of America's heartland provide food for millions.

Explore the changing landscape of the South, from the Chesapeake Bay's wetlands to the Appalachians to the dusty oilfields of Texas.

Explore the changing landscape of the South, from the Chesapeake Bay's wetlands to the Appalachians to the dusty oilfields of Texas.

In this study of the Northeast, learn basics of interpreting physical, political, and population maps.

Shows how humans were able to harness one of nature's greatest forces, how electric power is delviered to consumers, and how scientists use electricity in innovative ways.