You may not be Jay Leno or the 29th Sultan of Brunei, but if you’re a car collector and own even a small portion of the five million collector automobiles out there, you might either own or are looking for a safe, secure and functional way to store them and show them off occasionally. Look no further. A Montana home has the Big Sky views and acreage, plus an underground garage with the capacity for 70 cars, an on-site 1,000-gallon gas station, and a dynamometer. It is listed at $12 million