The crew journeys along Canada's Pacific shore into the Great Bear Rainforest to examine grizzlies in their natural environment.

The crew journeys into the subarctic to examine polar bears in their natural environment and investigate man's harmful impact on their populace.

The crew goes to the Florida Everglades, a unique ecosystem that includes both subtropical and temperate climate zones

The Great Barrier Reef is over 2,300 km long along the coast of Queensland, Australia.