YELLOWSTONE NATIONAL PARK, Wyo. -

The Beartooth Highway in Montana and Wyoming has been listed on the National Register of Historic Places.
    
A 60-mile stretch of U.S. 212 has been officially named the Red Lodge - Cooke City Approach Road Historic District.
    
It's part of a 68-mile highway that runs from Red Lodge, Montana, into northern Wyoming, on to Cooke City in Montana and then back down to the Wyoming border where it meets the northeast entrance to Yellowstone National Park.
    
The highway is nationally significant for substantially increasing recreational development and tourism in Yellowstone and the region. The road is also recognized for its distinctive engineering and the methods of high-altitude road construction used in its construction.
    
It is the highest elevation highway in Wyoming at 10,947 feet and in Montana at 10,350 feet.