A float plane dropped them off at a remote lake, and Duane Ose and his 15-year-old son hiked 57 miles through trackless wilderness in central Alaska for 15 days to reach the site where he filed one of ...

At base camp, the couples must construct shelters to save themselves from hypothermia — and compete for a night with the Oses at their mountain home. Split up by gender, the couples test their ...