Labrador is one of the last remaining wilderness regions of the world, where harsh terrain and weather extremes are best tackled with a knowledgeable guide. Camp, hike and explore in Torngat Mountains National Park (tel: 877-254-6586; linkumtours.com to see one of the world’s largest caribou herds, polar bears at the floe edge, plus Inuit and pre-Inuit archeological sites.
In Saskatchewan, you can go on a dune-buggy trek to a different kind of tundra: 100 kilometres of active sand fields at the Athabasca Sand Dunes (tel: 306-241-6807; northernways.ca), Canada’s largest active sand surface and one of the world’s most significant sand fields. The rush here is the remote, otherworldly landscape; access is by floatplane only.
A Tundra Buggy (tel: 800-663-9832; tundrabuggy.com) adventure to the Arctic tundra in Churchill, MB, comes with a massive adrenalin rush. This is the Polar Bear Capital of the World, and tundra trekkers get a chance to go face-to-face with these rare white bears, which stand three metres tall.