An important part of ice fishing in the northern parts of North America is the ice shack (ice house, ice shanty, dark house). These are dragged or towed onto the lake using a vehicle such as a snowmobile, ATV or truck. Most portable ice houses which are often made of anything from light tent-like structures to heavy material that designed to shelter fishermen from cold and wind. They can take many different forms. Some are simple structures that are just a place to get in out of the cold. Others are elaborate expensive shelters, warm and safe enough to withstand any weather. They are also loaded with electronics. 