Fog over the sand dunes at dawn after a heavy frost; Lakeside, Oregon, United States of America PacificStock
Scenic view of landscape near Palmer, Alaska, with Fireweed (Epilobium angustifolium) in the foreground, Southcentral Alaska, summer PacificStock
Siberian Aster along the Marsh Fork of the Canning River in the Arctic National Wildlife Refuge, Summer, Alaska PacificStock
Colorful sunrise over a stream and the salmon viewing deck at the Eagle River Nature Center in Chugach State Park, Southcentral Alaska, Winter, HDR PacificStock
Ice forms on the shores of Hudson Bay as sunset starts to light up the clouds; Churchill, Manitoba, Canada PacificStock
Late winter afternoon light warms up the mountains along the Takhini River, near Whitehorse; Yukon, Canada PacificStock
Hoar frosted tree branches against a blue sky; Anchorage, Alaska, United States of America PacificStock
A dead tree is silhouetted against the sky; Tahlequah, Oklahoma, United States of America PacificStock