If you're heading to Voyageurs National Park, don't count on seeing it from the driver's seat of your car. Canoes, houseboats and snowmobiles are all fine ways to explore, but it's a floatplane that offers a unique — and useful — view of the park.

Ranger pilot Steve Mazur and retired park biologist Lee Grim talk about flying over Minnesota's premiere national park, all in the name of science.