The Auroral Spark

Bursts of greenish-blue color from the Northern Lights illuminate the night sky above the Great Slave Lake in Northwest Territories.

Aurora Above the Abandoned

The aurora borealis, or "northern lights" resembles a curtain of light as it shimmers above an abandoned structure near Yellowknife in the Northwest Territories, Canada.

A Harsh Wind

A fierce wind blows across the Dettah ice road in sub-zero temperatures.

Ice Road Sunset

The Dettah ice road displays many fractures and cracks from vehicle travel as the sun sets near Yellowknife in the Northwest Territories, Canada.

Ice Road to Dettah

Fractures are seen in the thick ice of the road connecting Yellowstone to Dettah as a person rides by in a snowmobile.

Road Closed

A sign warns travelers not to proceed across the frozen lake.

Winter Highway Sunset

The MacKenzie highway between Yellowknife and Enterprise in Northwest Territories, Canada.

Winter Camping

A man walks in snowshoes near a Sierra Designs tent.

Winter Camping

A man walks in snowshoes near a Sierra Designs tent.

Young Moose in Winter

A young moose walks through the snow among the trees in winter.

Ice Lens

A man holds a large clear chunk of ice in front of his face.