American horses are icons. Mustang. Appaloosa. Morgan. Quarter Horse. Follow the history of the uniquely American horse breeds that helped shape our nation and meet the people who are continuing in the long tradition of caring for them. 

The Arctic National Wildlife Refuge in Alaska has long protected survivors of the Ice Age, but this frozen fortress is melting due to climate change. For the caribou, musk oxen, polar bears and Arctic foxes, the Ice Age is slipping away.