An entrepreneur's new survival course tests your ability to live through an arctic night.

1 of 5
The house that Jeff built
Reporter Jeff Wise sits in the sleeping bench in the quinzhee, the snow shelter he built as part of Adventure Out's new survival course.

NEXT: Outlasting the ice
LAST UPDATE: Feb 11 2009 | 11:26 AM ET
Sponsored by
Capt. Stanley's DIY shark dives A U.S. entrepreneur takes tropical tourists down deep - in an uninsured submarine he built himself. More
Climbing the Amazon An intrepid tree lover leads adventure travelers high above the Brazilian rain forest. More
Breakfast with cheetahs A tour business sends animal lovers into the bush to help threatened species. More