BETHESDA, Maryland, Sept. 18 -- The National Park Foundation issued the following news release on Sept. 17: During these extraordinary times, more and more Americans are seeking to escape their homes and spend time in the great outdoors. Today, Marriott Bonvoy, Marriott International's travel program, announces its marketing partnership with the National Park Foundation (NPF), the official nonprofit partner of the National Park Service. The introduction of a dedicated travel planning website ma  more