Training on the sea ice, Cook Inlet, Alaska

Canoeing in Paradise, Denali National Park, Alaska

Rongbuk Monastery, Tibett

Potala Palace,

Lhasa, Tibet

Full Moon Rising, Denali National Park, Alaska

Full Moon over the Ross Ice Shelf, Antarctica

Full Moon over the Royal Society Range, Ross Island, Antarctica

Ice climbing in Iceland, Global Extremes Expedition

Jelly fish, Seward, Alaska

Solstice light in Denali Park, Alaska

Clam Gulch, Alaska

Amundsen-Scott Station, South Pole

Sunrise over the TransAntarctic Mountains, Ross Ice Shelf, Antarctica

Sunset in Tahiti

Early morning light, Mt. Erebus, Mt. Terra Nova, Mt. Terror, Black Island, Antarctica

Rainbow in Wrangell St. Elias National Park, Alaska

Odd shaped icebergs. Antarctica Peninsula.

Gentoo Penguins.  Antarctica Peninsula.

Iceberg in the Gerlache Strait, Antarctica. 2008.

Penguin Rookery, Antarctic Peninsula.

Crabeater Seal, Antarctica. 2007.

Pristine Antarctica.

Gentoo penguins swimming under water. Antarctica.

Gentoo penguin rookery with the Euronav Belgica at bay. 2008.

Gentoo penguin rookery, Antarctica.

Antarctic reflections in Antarctic waters. 2007.

Antarctic beauty.

Looking down from the mast of the Euronav Belgica. Antarctica. 2008.

Antarctic iceberg.

City lights of Ushuaia. Argentina, the southern most city in the world. 2008.

Denali from Wonder Lake.  Fall 2009.