See and hear nature from around the world.
Alewives swim slowly upstream in Maine's Damariscotta River to spawn as they have for millions of years.
Travel to the historic site of Cumberland Island, home to pristine maritime forests and stunning natural beaches.
Once a spy nest in the Revolutionary War, Shooter's Island is now a park and home to many species of birds.
Travel through sandstone plateaus and Gateway Canyon which were carved by rivers more than 5 million years ago.