Becharof NWR, King Salmon, Alaska: Tundra, mountains, and still-smoldering volcanoes, part of the Pacific "Ring of Fire," fill the senses as far as the eye can see at Becharof National Wildlife Refuge. Mt. Paulik volcano, seen here, is...
Classic U-shaped valley carved by retreating mountain glaciers. Many glacial features can be seen: cirques, horns, arete ridges, till, hanging valleys.