Extreme Earth Photography By National Geographic

Aerial View of African Elephants, KenyaGorge at Araden, CreteColumns of BasaltBlue Hole,Lighthouse Reef, BelizeBlue IcebergBreaking Surf, Bora-Bora, French Polynesia

Coastal PlainSand Dunes, Rub al KhaliKhumbu Valley, Nepal
Glacier Bay Kayak, AlaskaGull Island, Kenai Peninsula, AlaskaLimestone CliffsMatanuska Glacier Cave, AlaskaWrangell-St. Elias National Park, AlaskaOuter Banks Sandbars, North CalolinaSherpa Village, Namche Bazar, NepalSahara Skyline, ChadDanakil Desert Salt Towers
Travertine Chimneys, Djibouti
Kongou Falls, GabonWoodland Pickets, Alaska (source)

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