Denver's coffee culture offers caffeine with altitude at the best independent coffee shops in the Mile High City. Local institution Pablo's Coffee roasts its own beans, while the relative newcomer of Aviano impresses with its authentic cappuccinos. Buffalo Doughboy bakes its own muffins and pies for a family-friendly outing, while Stella's Coffeehaus provides a cozy place to study. What is your favorite coffee shop in Denver? Share in the comments section below.