Lake Winnipeg, Manitoba
"You get sastrugi just like in Antarctica!"
Explorer and guide Eric Larsen hosts camps each winter on Lake Winnipeg for aspiring cold-weather expeditioners. The enormous lake, the 10th largest in the world, gives a "bitter cold, wind-scoured and dark" environment that mimics the experience of Antarctica or the Greenland ice cap, "but at a fraction of the cost and travel time." Milky way galaxy included each night.