Hikers cross rocky outwash plain at foot of glacier in Sirmilik National Park on southern Bylot Island; Nunavut, Canada

Girl and guide hike on snow past meltwater pond at foot of glacier as cruise ship awaits; Sirmilik NP, Bylot Island, Nunavut, Canada

Passenger photographs rainbow over open sea from top deck of Clipper Adventurer cruise ship off Baffin Island; Nunavut, Canada

Happy couple reviews photos on digital camera on top deck of Clipper Adventurer off Bylot Island northeast of Baffin; Nunavut, Canada

Clipper Adventurer cruise ship sits off south tip of Bylot Island at dusk with northeast Baffin Island in distance; Nunavut, Canada

Silhouetted couple stands atop rocky ridge on south tip of Bylot Island at dusk; Nunavut, Canada

Golden orange sunlight filters through low clouds highlighting rugged cliffs of southern Bylot Island in early September; Nunavut, Canada

Golden sunset backlights mountain peaks at north tip of Baffin Island in early September; Nunavut, Canada

Clipper Adventurer's bow frames snow-capped peaks of Baffin Island at sunrise in early Sept in Dexterity Fjord; Nunavut, Canada

Snow-capped peaks of Baffin Island tower over calm waters of Dexterity Fjord at sunrise in early September; Nunavut, Canada

Snow-capped peaks of Baffin Island tower over calm waters of Dexterity Fjord at sunrise in early September; Nunavut, Canada

Morning sun peeks from behind steep mountain slope in Dexterity Fjord in early September; Baffin Island, Nunavut, Canada

Sunrise hits rugged mountain ridge decked with fresh snow in early September in Dexterity Fjord; Baffin Island, Nunavut, Canada

Sunrise hits rugged mountain ridge decked with fresh snow in early September in Dexterity Fjord; Baffin Island, Nunavut, Canada

Glacier meets sea at Dexterity Fjord in Sept with dramatic signs of shrinkage & global warming; Baffin Island, Nunavut, Canada

Glacier meets sea at Dexterity Fjord in September with dramatic signs of shrinking, receding and global warming; Baffin Island, Nunavut, Canada

Dramatic crevasses riddle foot of glacier as it trundles steeply downward into Dexterity Fjord; Baffin Island, Nunavut, Canada

Two rubber Zodiac rafts weave among glacial ice debris in Dexterity Fjord; Baffin Island, Nunavut, Canada

Massive foot of glacier protrudes into Dexterity Fjord dwarfing rubber Zodiac raft; Baffin Island, Nunavut, Canada

Massive foot of glacier protruding into Dexterity Fjord towers over and dwarfs rubber Zodiac raft; Baffin Island, Nunavut, Canada

Massive foot of glacier protruding into Dexterity Fjord towers over and dwarfs rubber Zodiac raft; Baffin Island, Nunavut, Canada

Rubber Zodiac raft approaches massive foot of glacier protruding into Dexterity Fjord; Baffin Island, Nunavut, Canada

Rubber Zodiac raft approaches massive foot of glacier protruding into Dexterity Fjord; Baffin Island, Nunavut, Canada

Rubber rafts pull beside Clipper Adventurer cruise ship in Dexterity Fjord to unload passengers; Baffin Island, Nunavut, Canada

Clipper Adventurer cruise ship's bow towers over sea amid glaciers and peaks of Dexterity Fjord; Baffin Island, Nunavut, Canada

Hikers explore tundra above Dexterity Fjord as cruise ship Clipper Adventurer awaits in distance; Baffin Island, Nunavut, Canada

Lone hiker is silhouetted by shimmering waters of Dexterity Fjord in early September on Baffin Island; Nunavut, Canada

Hiker with binoculars surveys mountains of Baffin Island as cruise ship Clipper Adventurer moors in Dexterity Fjord; Nunavut, Canada

Two boys rummage in creek below pre-fabbed houses of Pond Inlet, Baffin Island; Nunavut, Canada

Colorful homes line muddy road at Pond Inlet, Baffin Island; Nunavut, Canada

Man rides ATV up main road of Pond Inlet, Baffin Island; Nunavut, Canada

Inuit girl and boy wearing boots walk along muddy road in Pond Inlet, Baffin Island; Nunavut, Canada

Portrait of Inuit teenage boy and girl in traditional attire at Pond Inlet, Baffin Island; Nunavut, Canada

Inuit woman carries baby boy on her back in traditional amautik at the Nattinnak Centre, a museum, library and cultural center in Pond Inlet, Baffin Island; Nunavut, Canada

Men and boys perform drum song and dance in traditional dress at Nattinnak Centre, a museum, library and cultural center in Pond Inlet, Baffin Island; Nunavut, Canada

Two girls perform throat singing in traditional dress at Nattinnak Centre, a museum, library and cultural center in Pond Inlet, Baffin Island; Nunavut, Canada

Two men demonstrate mouth pulling contest in traditional dress at Nattinnak Centre, a museum, library and cultural center in Pond Inlet, Baffin Island; Nunavut, Canada

Woman lights traditional seal-oil lamp at Nattinnak Centre, a museum, library and cultural center in Pond Inlet, Baffin Island; Nunavut, Canada

Elderly hikers from soft-expedition cruise ship tramp across snow at foot of glacier in Sirmilik National Park, Bylot Island; Nunavut, Canada

Passengers from soft expedition cruise ship Clipper Adventurer examine caribou bones on tundra of Deep Cove at Milne Inlet on northernmost Baffin Island; Nunavut, Canada

Caribou antler frames distant passengers from soft expedition cruise ship Clipper Adventurer as they hike tundra of Deep Cove at Milne Inlet on northernmost Baffin Island; Nunavut, Canada

Man fits caribou antlers on little girl during hike along Deep Cove at Milne Inlet on northernmost Baffin Island; Nunavut, Canada

Iceberg drifts past snowy mounts at day's end along north coast of Bylot Island; Baffin Island, Nunavut, Canada

Iceberg drifts past snowy mounts at day's end along north coast of Bylot Island; Baffin Island, Nunavut, Canada

Calm seas reflect mountain slope soaring skyward as sun rises over Dexterity Fjord, Baffin Island; Nunavut, Canada

Calved glacial ice floats at foot of glacier in Dexterity Fjord, Baffin Island; Nunavut, Canada

Glacier meets sea in Dexterity Fjord, Baffin Island; Nunavut, Canada

Woman surveys autumn tundra of Dexterity Fjord on Baffin Island; Nunavut, Canada

Royal Canadian Mounted Police officer Keith Hendricks poses in full uniform in the town of Clyde River, Baffin Island; Nunavut, Canada

Stop sign bears English and Inuktitut spellings in town of Clyde River, Baffin Island; Nunavut, Canada

Woman carries baby on back in traditional amautik tunic in town of Clyde River, Baffin Island; Nunavut, Canada

Man and woman on ATV speed down road in town of Clyde River, Baffin Island; Nunavut, Canada

Joelie Sanguya, local resident of Clyde River, shows ancient Inuit rock dwelling to passengers from expedition cruise ship Clipper Adventurer on small isle off Baffin Island; Nunavut, Canada

Young Inuit man wears traditional caribou-antler goggles for preventing snow blindness; Clyde River, Baffin Island, Nunavut, Canada

Gravestone reads: Sacred to the memory of Wm Yule who did on board the Esquimaux July 31st, 1875, aged 41 years; Isabella Bay, Baffin Island; Nunavut, Canada

Gravestone reads: Memory of David Vallard, Aged 41 years, Harpooned on board the SS Intrepid, Died 1871; Isabella Bay, Baffin Island; Nunavut, Canada

Pair of icebergs float together in Isabella Bay, Baffin Island; Nunavut, Canada

Close-up of pattern on pelt of ringed seal on stretching rack in Qikiqtarjuaq (Broughton Island) Baffin Island; Nunavut, Canada

Woman carries child on back in traditional amautik made sealskins and polar bear fur in Qikiqtarjuaq (Broughton Island) Baffin Island; Nunavut, Canada

Portrait of young Inuit girl in town of Qikiqtarjuaq (Broughton Island) Baffin Island; Nunavut, Canada

Portrait of young Inuit boy in town of Qikiqtarjuaq (Broughton Island) Baffin Island; Nunavut, Canada

Portrait of young Inuit boy wearing hood in town of Qikiqtarjuaq (Broughton Island) Baffin Island; Nunavut, Canada

Sled-dog pup peers from owner's jacket in Qikiqtarjuaq (Broughton Island) Baffin Island; Nunavut, Canada

At the Arctic Circle, colorful September sunset arches over the North Atlantic Ocean and 2000-foot-high cliffs of Cape Dyer on Baffin Island; Nunavut, Canada

Walrus pokes its head above rough seas near Monumental Island off Baffin Island; Nunavut, Canada

Passengers from the soft-expedition cruise ship Clipper Adventurer hike across rocky tundra of Butterfly Bay on Baffin Island just south of the Arctic Circle in September; Nunavut, Canada

Crimson leaves accent lichen gray hues of tundra rocks and lichen in September at Butterfly Bay on Baffin Island; Nunavut, Canada

Aurora Borealis, or Northern Lights, ripple across icy skies at the Arctic Circle off Baffin Island; Nunavut, Canada

Chief Officer Andrey Domanin checks chart readings of cadet in bridge aboard the expedition cruise ship Clipper Adventurer off Baffin Island; Nunavut, Canada

Polar bear yawns as it rests on flat rock on hillside above Brevoort Harbor, Baffin Island; Nunavut, Canada

Polar bear patrols boulder-strewn shore of Brevoort Harbour in early September on Baffin Island; Nunavut, Canada

Polar bear sniffs air along boulder-strewn shore of Brevoort Harbour in early September on Baffin Island; Nunavut, Canada

Polar bear peers at camera from boulder-strewn shore of Brevoort Harbour on Baffin Island; Nunavut, Canada

Polar bear sniffs air along boulder-strewn shore of Brevoort Harbour on Baffin Island; Nunavut, Canada

Scarlet foliage accents tundra in Iqaluit, capital of Nunavut; Baffin Island, Canada

Hudson's Bay Company building is one of several structures at site of trading company's old post outside Iqaluit, capital of Nunavut; Baffin Island, Canada

Nunavut license plate invites people to Explore Canada's Arctic; Baffin Island, Canada

Sign post in capital city of Iqaluit features street names in English and Inuktitut, official languages of the federal territory of Nunavut; Baffin Island, Canada

School features futuristic architecture designed for extreme cold of Iqaluit, capital of Nunavut territory; Baffin Island, Canada

Inuit girl warms hands in evening chill of Iqaluit, capital of Nunavut territory; Baffin Island, Canada

Inuit girl swings on playground equipment on a golden September eve in Iqaluit, capital of Nunavut territory; Baffin Island, Canada

Inuit girl smiles on a golden September eve in Iqaluit, capital of Nunavut territory; Baffin Island, Canada

Inuit girl smiles on a golden September eve in Iqaluit, capital of Nunavut territory; Baffin Island, Canada

Heads of Inuit mother and child sculpted in stone sit outside studio in Iqaluit, capital of Nunavut territory; Baffin Island, Canada

Face sculpted in stone features worried eyes in Iqaluit, capital of Nunavut territory; Baffin Island, Canada

Two women perform throat singing in Iqaluit, capital of Nunavut territory, Baffin Island, Canada

Man performs on bodhran-like Inuit drum in Iqaluit, capital of Nunavut territory, Baffin Island, Canada

Rocky shore polished by eons of glacial erosion frames distant icebergs in calm August seas of Disko Bay; Ilulissat, Greenland.

Icebergs calved from Sermeq Kujalleq glacier clog Disko Bay where Ilulissat Kangerlua Icefjord meets sea, dwarfing boat; Greenland

Tourists in rubber raft pass iceberg calved from Sermeq Kujalleq glacier in Disko Bay near Ilulissat Kangerlua Icefjord; Greenland

Passengers aboard the Clipper Adventurer cruise ship crowd along upper deck to admire towering Disko Bay iceberg; Ilulissat, Greenland

Passengers aboard the Clipper Adventurer cruise ship stand along upper deck to admire towering Disko Bay iceberg; Ilulissat, Greenland

Passengers aboard the Clipper Adventurer cruise ship admire towering Disko Bay iceberg from upper deck; Ilulissat, Greenland

Towering iceberg calved from Ilulissat Kangerlua Icefjord drifts northward in Disko Bay on an August afternoon; Greenland

Towering iceberg calved from Ilulissat Kangerlua Icefjord drifts northward in Disko Bay on an August afternoon; Greenland

Dramatic eveing sunlight silhouettes small iceberg as it drifts northward from Disko Bay along the west coast of Greenland.

Dramatic evening sunlight silhouettes small icebergs drifting north from Disko Bay along mountainous west coast; Greenland.

Cameras and tripod hang from passenger's neck as he surveys Disko Bay atop the Clipper Adventurer cruise ship; Greenland

Colorful, Danish-style wooden homes cling to rocky slopes at the island town of Uummannaq, a former whaling station; Greenland

Colorful, Danish-style wooden homes line rocky slopes of Uummannaq, once a renowned whaling town; western Greenland

Cruise ship passenger with walking stick stands near couple overlooking distant Uummannaq Island; Qilakitsoq, Greenland

Clipper Adventurer cruise ship passengers hike along ridge above colorful autumn tundra & glacial tarn; Tasiusaq Bay Greenland

Late August paints autumn tundra a collage of yellows, reds and greens at Tasiusaq Bay in western Greenland.

Ornithologist Chris Harbard rests on spotting scope while guiding cruise line passengers on hike at Tasiusaq Bay, western Greenland

Ripe crowberries and delicate crimson leaves brighten autumn tundra at Eqalugssuit on the west coast of Greenland.

Broad-leaved willow herb (fireweed), Greenland's national wildflower, brightens tundra in late Aug; Eqalugssuit, western Greenland

Iceberg drifts northward from Disko Bay along Davis Strait off the mountainous coast of western Greenland.

Iceberg drifts northward from Disko Bay along Davis Strait off the mountainous coast of western Greenland.

Igneous dike slashes across gneiss mountain, vestige of continental rift that opened N Atlantic 58M yrs ago; Uummannaq Greenland

Little girl plays with stones as she sits on hillside overlooking tundra and glacial tarn in Sondre Stromfjord; Kangerlussuaq, Greenland

Colorfully painted homes and buildings climb steep rocky shore overlooking Disko Bay iceberg chunks in late summer at Ilulissat, third largest town in Greenland.

Danish-style wooden buildings perch along rocky shore overlooking Disko Bay iceberg chunks at Ilulissat, third largest town in Greenland.

Colorfully painted homes and buildings brighten the bare, rocky slopes of Ilulissat, third largest town in Greenland.

Colorfully painted homes and buildings brighten the bare, rocky slopes of Ilulissat, third largest town in Greenland.

Small fishing boats fill harbor at Ilulissat, third largest town in Greenland.

Portrait of local boy in Ilulissat, third largest town in Greenland.

Young couple work together pulling their infant in stroller down road in Ilulissat, third largest town in Greenland.

Sled dogs chained atop rock outcrop overlook ramshackle homes in Ilulissat, country's third largest town, where dogs outnumber residents; Greenland.

Ilulissat fisherman checks bait box while fishing with long line from small fishing boat in Disko Bay, Greenland

Ilulissat fisherman harvests Greenland halibut on long line in small boat as Northern fulmars and Glaucous gulls flock in calm seas awaiting snack; Disko Bay, Greenland

Orange-gloved hands of Ilulissat fisherman gut Greenland halibut after hooking the fish on long line in Disko Bay, Greenland.

Fishing boats are dwarfed by massive icebergs at mouth of Ilulissat Kangerlua Icefjord in Disko Bay, Greenland.

Colorful, Danish-style wooden homes cling to rocky slopes overlooking icebergs and fjord at island town of Uummannaq, Greenland

Colorful, Danish-style Uummannaq Hotel and shop buildings cling to rocky slopes overlooking icebergs and fjord at island town of Uummannaq, Greenland

Colorful buildings overlook fjord on a late August day in the island town of Uummannaq, Greenland.

Twin red gneiss peaks (1170m tall) tower over colorful wooden homes clinging to town's rocky slopes; Uummannaq, Greenland

Girl wearing national costume of colorful beadwork, lace and sealskin boots sits outside church after sibling's christening; Uummannaq, Greenland\n

Woman and girl wearing national costume of colorful beadwork, lace and sealskin boots walk past older couple on bench; Uummannaq, Greenland

Little girl leans against stone wall dressed in national costume featuring colorful beadwork shawl; Uummannaq, Greenland

Teenage American girl from cruise ship struggles to understand local man as he gestures and talks in town of Uummannaq, Greenland.

American girl and Greenlandic girl make friends over sled dog pup in town of Uummannaq, Greenland.

Tiny black and white sled dog pup looks alert; Uummannaq, Greenland

Girl from expedition cruise ship Clipper Adventurer poses above cove at Qilakitsoq on the Nuussuaq Peninsula with Uummannaq Island behind her in distance; Greenland

Morning sun bursts through clearing storm clouds spotlighting ocean and mountains of Uummannaq Fjord, Greenland.

Fishing boat navigates past icebergs outside harbor at Uummannaq, Greenland.

Luxury expedition cruise ship Clipper Adventurer anchors amid icebergs near Qilakitsoq across from Uummannaq Island, Greenland.

Raindrops bejewel downy ptarmigan feathers scattered by a tundra predator at Tasiusaq Bay; Uummannaq Fjord, northwest Greenland

Northern fulmar (fulmaris glacialis) flies over ocean waters of northwest Greenland.

Northern fulmar (fulmaris glacialis) flies over ocean waters of northwest Greenland.

Icebergs drift northward in Baffin Bay along mountainous coast north of Uummannaq, Greenland.

Icebergs drift northward in Baffin Bay along misty coast north of Uummannaq, Greenland.

Icebergs drift northward in Baffin Bay along misty coast north of Uummannaq, Greenland.

Line of icebergs drifts northward in Baffin Bay along northwest coast of Greenland.

Massive iceberg frames jagged, towering neighbor as they drift northward in Baffin Bay along northwest coast of Greenland.

Group of icebergs drifts northward in Baffin Bay along northwest coast of Greenland.