the wetlands don't freeze even in winter the canadians jokingly call it their tropical valley. further north is watson lake milestone six hundred on the highway. this is yukon territory almost halfway on the trip. watson lake started as a simple camp for the construction of the highway and a still little more than a long road. but the town has become famous as the site of a particularly bizarre attraction on the alaska highway. the signpost forest. legend has it that a homesick soldier brought the first sign. in from his home town in one nine