Two well-known Denver restaurants opened at Denver International Airport last week, adding to what has become a hefty list of Colorado concepts. The openings come just a few months after two other familiar eateries and a coffee shop got on board at DIA. Related: Why your favorite DIA restaurant is different from its brick-and-mortar location Mister Oso, which features Mexican and other Latin American dishes is now open in Concourse C, along with Bar Dough, an upscale Italian restaurant.