This may be one of the most unique national parks in the country.View of Mt. Denali in Alaska's Denali National Park.Credit: SteveAllenPhoto/Getty ImagesDenali National Park and PreserveCatch sunrise views of Denali (Mount McKinley), the tallest peak in North America, from Sable Pass on Mile 39 along Denali Park Road.Take one of the most scenic bus rides you might ever see aboard a park shuttle.View some of the country’s largest mammals like gri…