Denver is nicknamed Mile High City due to the fact it is exactly one mile above sea level making it one of the highest cities in the United States. The city comes with a seriously stunning backdrop of Rocky Mountains to the west of it and High Plains to its east, sitting in the South Platte River Valley.
Best Things to Do in Denver, Colorado. Denver Botanic Gardens, American Museum of Western Art, Mount Evans, Colorado State Capitol, Denver Museum of Nature & Science, Union Station, Denver Public Library.
Denver, the capital of Colorado, is an American metropolis dating to the Old West era. Larimer Square, the city oldest block, features landmark 19th-century buildings.