Metropolitan Library System

That thrilling summer day spent on the hi-tech rides are based on one emotion - fear. Ride designers want to jolt you, disorient you and flat-out scare you. In fact, it's too much for some people to handle. Meet a psychologist who developed a program to cure people of this irrational fear. The show will also explore the design of these rides - built for maximum impact and maximum safety.

Driven by instinct, the unstoppable slick of fish is followed by one of the greatest gatherings of predators.

Controlling 15 hundred pounds of muscle takes guts. Jockeys risk their life every time they climb into a saddle. Watch as jockey and horse put their trust in technology and make their way down the stretch.

Having swum and inhabited our oceans for millions of years sharks have become the perfect predator.

Brandy Station - the largest Cavalry battle followed by the epic struggle at Gettysburg and the fall of Vicksburg.

The remaining four contestants compete in challenges that test their essential cowboy skills. Trace sends another cowboy packing.

After a grueling relay race puts the cowboys' horsemanship to the test, host Trace Adkins ups the ante and sends two contestants packing.

The remaining ten contestants compete in a calf roping challenge to win immunity from elimination. A feud between cowboys gets physical.

The Road to Civil War, battles over Slavery turn violent in Kansas and Harper's Ferry. The election of Lincoln, Secession, Fort Sumter and the First Battle of Manassas.