Nature
Attempting to Film African Wild Dogs in the Flooded Okavango
African wild dogs proved to be one of the toughest species to film.
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Preview of The Hummingbird Effect
Discover the powerful effect hummingbirds have over their wild neighbors in Costa Rica.
Nature
Preview of Niagara Falls
Embark to Niagara Falls and witness its amazing beauty and the wildlife that call it home.
Nature
Preview of Treasure of the Caribbean
A Caribbean coral reef discovery marks a new chapter in understanding and saving corals.
Nature
River of No Return - Preview
Airs Wednesday, March 27, 2013 at 8:00 p.m. ET/PT. Check your local listings.