Denver is nicknamed Mile High City because its official elevation is exactly one mile above sea level. Denver is located in the South Platte River Valley on the western edge of the High Plains just east of the Front Range of the Rocky Mountains. With such quick and easy access to the Rocky Mountains, national parks, forests and other scenic areas are within the adventurer’s grasp. Parents will be happy to know that Denver is particularly kid-friendly, with interactive museums and zoos to keep those bundles of joy entertained throughout your trip. Vote this amazing city as your top USA city to visit today!