View from highway - Photo Alaska's Scenic Byway highway sign The Taylor / Top of the World Highways is one of Alaska's Scenic Byways. NOTE: This highway 'The Top of the World Highway', on both sides of the Canada / United States border is not maintained in the winter. Check before traveling, as to highway conditions in the spring and fall. Alaska Top of the World Highway The Alaska, Top of the World Highway, leads to Dawson City, Yukon Territory, Canada. This portion of the Top of the World Highway is an unpaved narrow winding with great untouched scenery.