Travel to Africa to explore the unique reproduction challenges of the largest animal on land.
Known as the greatest swimming coach of all time, but "Doc" Counsilman is much more than that. This is the story—of Doc the husband, father, friend and coach
Join Sir David Attenborough on a journey through the weird and wonderful world of frogs.
Tune in to see what happened to the values of the items found during the trip to Salt Lake City.
Descend into subterranean London to uncover 2,000 years of history.
Discover the enchanting ballerina paralyzed by polio, muse to George Balanchine and Jerome Robbins.
Look back 15 years to see what some memorable objects appraised in Providence are worth today.
Examine the deep-seeded hatreds between rivals in Ukraine.
Revel in the resurgence of the bald eagle, the American emblem that's come roaring back from the brink of extinction.