Watergate Plus 30: Shadow of History

Exquisite exploration of landscape and Toru Takemitsu's music for a Japanese moss garden.

Almost every major culture includes an ancient flood story. What if evidence of the Great Flood could be found? Join Dr. Robert Ballard, discoverer of the Titanic, on an odyssey to find the submerged truth about the Great Flood. Dr. Ballard sets off to look for ancient shipwrecks, and search for evidence supporting a controversial theory that links the legend of the Great Flood with the catastrophic flooding of the Black Sea around 5500 B.C. As his sonar scans the desolate sea floor, and robotic submersibles search the haunting darkness of the Black Sea's "dead zone," the truth begins to emerge from the murky depths of myth and legend.

This documentary by ABC News commemorates the 30th anniversary of the 1962 Cuban Missile Crisis. It provides a behind-the-scenes look at how close the U.S. and Soviet Union actually came to catastrophe.

Behind the lines in the Supreme Court confirmation wars... where justice and politics collide.

They went to keep the peace. But 241 died-caught in a military and political cross fire. One year after the pullout of American Marines from Lebanon, Frontline correspondent William Greider examines the decision and asks: Where should Americans die, and what should they die for?

Join two youngsters and their teacher as they discover clues to Dinosaurs: Puzzles from the Past. Putting dinosaurs in perspective is their first task. They follow a time line back from the Age of Man to the era of dinosaurs. Animation introduces a variety of dinosaurs and their environment. Students see fossilized dinosaur bones uncovered by excavators at Dinosaur Provincial Park in Alberta, Canada. They also visit a paleontologist in his lab and see a comparison of bones from two different dinosaurs. At a museum in Ottawa the two youngsters see a full-scale reconstructed tyrannosaur skeleton and identify it as a meat-eater by its feet and teeth.

The life of John Allen Muhammad. The D.C. Sniper, as told by his ex-wife Mildred.

From lonely, early days of presidential ambition, through months of promise, to the day of denial, Frontline follows the 1984 presidential campaign of Gary Hart.