Wind Cave National Park is located in these eroded mountains in western South Dakota
At over 84,000 square miles, it's Europe's largest island
1 of 2 Australian deserts that fit the category
This depression in Africa & the middle east is the largest fault system on earth
Lewis & Clark National Forest is headquartered in this west central Montana city
Cuba, Hispaniola, Jamaica & Puerto Rico
The largest area of sand dunes in North America lies north of the Platte River in this state
The geographic center of this state lies in Wexford County, 5 miles north-northwest of Cadillac
This city is the seat of Washington's King County
The name of this state's Kennebec River is Algonquian for "long reach"