Aerial view of glacial melt lakes on Bagley Field. Wrangell-St Elias National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.wrst37089.html Shore of lake McDonald in winter. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac0557.html Lake McDonald in winter. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac5902.html Aerial view of Bagley Field with turquoise snow melt lakes. Wrangell-St Elias National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.wrst37090.html Wizard Island and Lake at dusk, framed by snow-covered trees. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10130.html Wizard Island and Lake at dusk in winter. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10116.html Emerald Bay in winter, Lake Tahoe, California. USA http://www.terragalleria.com/america/nevada/lake-tahoe/picture.usnv9148.html Trees, Lake and Wizard Island, cloudy winter sunrise. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10132.html Lake in winter seen from the western mountains, Lake Tahoe, California. USA http://www.terragalleria.com/america/nevada/lake-tahoe/picture.usnv9143.html Ice break-up in Emerald Lake and Hallet Peak, early summer. Rocky Mountain National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.romo0615.html Trees with hoar frost above Lake. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10120.html Portage Lake with icebergs. Alaska, USA http://www.terragalleria.com/america/alaska/portage/picture.alas6340.html Lake rim in winter with blue skies. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10145.html Snow-covered trees and dark lake waters. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla20538.html Monarch lake half-frozen in early summer. Sequoia National Park, California, USA. http://www.terragalleria.com/parks/np-image.sequ20597.html Wizard Island and Lake at dusk, framed by snow-covered trees. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10131.html Snow-covered trees and dark lake waters. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10122.html Lake in winter, afternoon. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10142.html Wizard Island and lake in late afternoon shade, winter. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10148.html Pine tree with fresh snow on lake rim. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10147.html Floating ice in Portage Lake with mountain reflections. Alaska, USA http://www.terragalleria.com/america/alaska/portage/picture.alas6347.html Shores of Lake McDonald in winter. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac2228.html Snow-covered trees and misty lake at sunset. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10118.html Portage Lake, with icebergs and mountain reflections. Alaska, USA http://www.terragalleria.com/america/alaska/portage/picture.alas6341.html Trees, Lake and Wizard Island, winter sunrise. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10133.html Icebergs and mountain reflections, Portage Lake. Alaska, USA http://www.terragalleria.com/america/alaska/portage/picture.alas6343.html Trees and cliffs in winter. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10124.html Lake, Mt Garfield, Mt Scott, winter dusk. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10154.html Icebergs in Portage Lake at dusk. Alaska, USA http://www.terragalleria.com/america/alaska/portage/picture.alas6349.html Ice on Yellowstone lake. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0523.html Lake McDonald in winter. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac5903.html Cabin in winter with trees and mountain. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10139.html Monarch Lake, early summer. Sequoia National Park, California, USA. http://www.terragalleria.com/parks/np-image.sequ2133.html Fresh snow, Lake and mountains. Alaska, USA http://www.terragalleria.com/america/alaska/denali-highway/picture.alas6399.html Trees and lake in winter with clouds and dark waters. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10137.html Trees framing lake in winter. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10125.html Lake and Wizard Island, winter sunrise. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10119.html Lake in early winter in, Mercantour National Park. Maritime Alps, France http://www.terragalleria.com/europe/france/maritime-alps/picture.fran3618.html Camping in early summer near Monarch Lake. Sequoia National Park, California, USA. http://www.terragalleria.com/parks/np-image.sequ5814.html Trees and Wizard Island in winter with clouds and dark waters. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10136.html Monarch lake half-frozen in early summer. Sequoia National Park, California, USA. http://www.terragalleria.com/parks/np-image.sequ1336.html Trees, Wizard Island, and Lake in winter, afternoon. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10143.html Trees and mistly lake in winter. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10129.html Valley I below the Telaquana Mountains. Lake Clark National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.lacl1661.html Cliffs, conifer trees, and lake in winter with cloudy skies. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10138.html Ice break up in lake Helen and Lassen Peak, early summer. Lassen Volcanic National Park, California, USA. http://www.terragalleria.com/parks/np-image.lavo1473.html Wizard Island and lake in winter, late afternoon. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10149.html Turquoise melting snow in lake Helen and Lassen Peak, late spring. Lassen Volcanic National Park, California, USA. http://www.terragalleria.com/parks/np-image.lavo1472.html Last rays of sun on Wizard Island. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10150.html Lake, Mt Garfield, Mt Scott, winter dusk. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10155.html Frozen Manzanita Lake, winter sunrise. Lassen Volcanic National Park, California, USA. http://www.terragalleria.com/parks/np-image.lavo10156.html Icebergs in Portage Lake. Alaska http://www.terragalleria.com/mountain/mountain-image.mcki3303.html Icebergs and reflections, Portage Lake. Alaska, USA http://www.terragalleria.com/america/alaska/portage/picture.alas6342.html Last light on an iceberg in Upper Grinnell Lake. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac34133.html Upper Grinnell Lake with icebergs, late afternoon. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac34126.html Cavell Glacier calving into a glacial lake. Jasper National Park, Canadian Rockies, Alberta, Canada http://www.terragalleria.com/north-america/canada/jasper/picture.caab33795.html Photographer on rim of Lake in winter. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10144.html Trees and Lake rim in winter. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10135.html Pine tree with fresh snow on lake rim. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10146.html Salamander Glacier, Salamander Falls , and Upper Grinnell Lake. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac34139.html Outlet stream of glacial lake. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac34119.html Frost-covered pine tree. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10141.html Floating ice and mountain reflections, Portage Lake. Alaska, USA http://www.terragalleria.com/america/alaska/portage/picture.alas6346.html Salamander Falls and icebergs. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac34134.html Icebergs in Upper Grinnell Lake. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac34129.html Blue icebergs floating on reflections of rock wall, Upper Grinnel Lake, late afternoon. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac34137.html Ice on a small lake. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0530.html Crossing the outlet stream of the Grinnell glacial lake. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac34118.html Trail Camp Pond in late November. Sequoia National Park, California, USA. http://www.terragalleria.com/parks/np-image.sequ11583.html Icebergs and reflections in Upper Grinnell Lake. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac34130.html Pebbles on Frozen Klamath Lake. Oregon, USA http://www.terragalleria.com/america/oregon/oregon-interior/picture.usor11437.html Frozen Klamath Lakes. Oregon, USA http://www.terragalleria.com/america/oregon/oregon-interior/picture.usor11436.html Conifers, Lake and Wizard Island, winter sunrise. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla20541.html Lake and Wizard Island in winter, sunny afternoon. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla20535.html Snow-covered rim and trees, lake and mountains, dusk. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla20536.html Turquoise melting snow in lake Helen and Lassen Peak, late spring. Lassen Volcanic National Park, California, USA. http://www.terragalleria.com/parks/np-image.lavo20612.html Monarch Lake, early summer. Sequoia National Park, California, USA. http://www.terragalleria.com/parks/np-image.sequ20598.html