Pearls of the Planet: Brown Bears

Craig Sholley of the African Wildlife Foundation describes his organization's efforts to preserve the 720 gorillas that remain in Rwanda. Learn about the species that is 98.6 percent similar to human beings in one of the most popular episodes of "Explore."

This documentary about the Salem Witch Trials gives a stark portrayal of how prejudice and fear can destroy a deeply religious community.

Meet John Singh, Rajisthani Maverick, who is single handedly trying to save traditional Indian music from going extinct.

Travel down the Colorado River to experience the Grand Canyon's wild splendor, and explore the connections between man and nature. With beautiful photography and deep conversations among Native American leaders, the film is a portal into the soul of the world’s largest living cathedral. "Explore" host Charlie Annenberg Weingarten was joined by Oglala Lakota activist Russell Means, Ojibwe environmentalist Winona LaDuke, Lilian Hill of the Hopi tribe, and others in rafts and canoes. Native Hawaiian Archie Kalepa navigated down most of the river gorge on a standup surfboard.

"Explore" takes you to the Northern reaches of the planet, through live high definition webcams and expeditions deep into the Arctic. On the shores of Hudson Bay, polar bears wait for the ice to harden so they can move out miles from shore to hunt for the seals that feed them over the winter.  Beluga whales gather in large pods, while the Aurora Borealis swirls overhead. Without narration or music, Explore’s “Pearls of the Planet” presents the natural sights and sounds of the Arctic in a way never before presented on broadcast television.