Millions of years ago the present-day Front Range was home to ancient mountain ranges, deserts, beaches, and even oceans. Get your first taste of the Rocky Mountains, and maximize your limited time in Denver. Meet your guide in downtown Denver, and head out to the foothills to enjoy views of the Red Rocks, Evergreen Lake and Lookout Mountain. Drive historic Lariat Loop, and get a glimpse of historic Golden, home to Coors Brewery. This 4-hour morning tour leaves you free to explore the city in the afternoon.