Flightseeing tour to Ruth Glacier on DenaliFlightseeing tour to Ruth Glacier on DenaliFlightseeing tour to Ruth Glacier on DenaliFlightseeing tour to Ruth Glacier on DenaliFlightseeing tour to Ruth Glacier on DenaliFlightseeing tour to Ruth Glacier on DenaliFlightseeing tour to Ruth Glacier on DenaliFlightseeing tour to Ruth Glacier on DenaliFlightseeing tour to Ruth Glacier on DenaliFlightseeing tour to Ruth Glacier on DenaliK2 Aviation's Cessna 185 on wheel skis flying above the Kahiltna Glacier with Mt. McKinley beyond, Denali National Park, Alaska.K2 Aviation's Cessna 185 on wheel skis flying above the Kahiltna Glacier with Mt. McKinley beyond, Denali National Park, Alaska.