A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Ice Age National Scenic Trail
The Ice Age National Scenic Trail travels through the edges of the glacier that passed
into Wisconsin.
Illinois and Michigan Canal National Heritage Corridor
The Illinois and Michigan Canal, completed in 1848, connected the Great Lakes to the
Mississippi River watershed along a longstanding Indian portage route. It rapidly transformed
Chicago from a small settlement to a critical transportation hub between the East and the
developing Midwest.
Independence National Historical Park
Independence National Historical Park is often referred to as the birthplace of our
nation. Visitors can see the Liberty Bell, an international symbol of freedom, and
Independence Hall, where both the Declaration of Independence and the U.S. Constitution were
created.
Indiana Dunes National Lakeshore
The national lakeshore runs for nearly 25 miles along southern Lake Michigan, bordered by
Michigan City, Indiana on the east, and Gary on the west. Miles of beaches, sand dunes, bog,
wetlands, woodland forests, an 1830's French Canadian homestead, and a working 1900 era farm
combine to make the national lakeshore a unique setting for studying humans and their impact
on the environment.
Inupiat Heritage Center
The Inupiat Heritage Center was designated an affiliated area of New Bedford Whaling
National Historical Park in New Bedford, Massachusetts to ensure that the contributions of
Alaska Natives to the history of whaling is recognized. Inupiat Eskimo people, participated in
commercial whaling. In addition to crewing on the ships they hunted for food for the whalers,
provided warm fur clothing, and sheltered many crews that were shipwrecked on the Alaska
coast.
Isle Royale National Park
Wolves and moose, the wild North Woods forest, everchanging weather and a cool climate,
and the crystal clear waters and rugged shoreline of Lake Superior characterize Isle Royale
National Park.
Iditarod National HistoricTrail Recreation Management Area
Ignacio Chavez Special Management Area
Illipah Reservoir Recreation Area
Imperial Dam Long Term Vistor Area
Indian Bread Rocks Picnic Area
Indian Creek-E. Fork Carson River Recreation Management Area
Ironwood Forest National Monument
Imperial Reservoir Area: Mittry Lake Wildlife Area
Imperial Reservoir Area: Picacho State Recreation Area
Idaho Panhandle National Forest
Imperial National Wildlife Refuge
Innoko National Wildlife Refuge
Iowa Wetland Management District
Iroquois National Wildlife Refuge
Island Bay National Wildlife Refuge
Izembek National Wildlife Refuge
Columbia