North Dakota's GDP has grown 4.04% annually over the past decade, compared to 0.54% for the entire U.S., as companies have begun exploiting oil in the western part of the state. In some counties incomes have growth rates in excess of 10% per year since 2005 -- this is a hot jobs market and a growth opportunity for investors. The Motley Fool's Erin Miller sat down with Fool.com contributor Travis Hoium to see what's going on in North Dakota and how investors can get in the game.