North America looked different in the past and will likely be different in the future. Learn why in the Sky Tour, which includes sweeping visuals from "Making North America" and Google Earth flyovers to bring you the story of the geological forces that shaped our continent.
- Produced and edited by
- Greg Kestin
- Narrated by
- Ari Daniel
- (main image: Earth from space)
- © WGBH Educational Foundation 2015