Denver is actually one mile above sea level. The purple row in the Coors Field marks the mile-high point, as does the 15th step on the West Side of the Capitol building.

The first cheeseburger was made in Denver in 1935.
Katherine Lee Bates wrote a song called America the Beautiful from atop nearby Pikes' Peak, which went on to become one of the nation's favourite and most well-known songs.