KR.0905-11Tourists with cameras and walking poles visit the Emperor Penguin colony at Cape Washington. Antarctica
LS.0103-00Bryn Clark hiking up the flanks of Kikiktat Mountain. The limestone underfoot is of the Katakturuk Group. The Hulahula River is below, and the foothills of the Romanzof Mountains are behind. Arctic National Wildlife Refuge, Brooks Range, Alaska
LS.0117-00Bryn Clark crossing Coastal Plain of the Arctic National Wildlife Refuge. North Slope, Alaska.
LS.0084-00Forrest and Amy crossing the Wind River. Denali National Park, Alaska.