The National Park Service is celebrating 100 years of protecting and promoting America's most awe-inspiring natural resources
The National Park Service is celebrating 100 years of protecting and promoting America's most awe-inspiring natural resources. When you think of national parks, you probably picture the Grand Canyon or the soaring trees of Redwood National Park -- but not all the getaway spots are that ancient. Peter Greenberg reports on the Cuyahoga Valley National Park.
