PhotoS: Parks Canada Park warden Kevin McLaughlin attaches a radio collar to an adult bear that has been darted; two grizzlies dine on park vegetation.

The Dempster Highway curls through Wright Pass in the Yukon Territory; Caribou use the Dempster Highway as a migratory pathway; the search party for the

Clockwise from top left: The last house from the village of Wales is moved to Ingleside, Ont., during construction of the St. Lawrence Seaway and

From top: Wheat grower Herman Trelle was “outstanding” in his field during the late ’20s; freshly cut timber is loaded onto the D.A. Thomas somewhere

A worker drapes his head with netting to keep insects at bay. I have no recollection of my first journey north over the Alaska Highway,