John Denver sang about Colorado numerous times.
Denver was also a guest star on The Muppet Show, the beginning of the lifelong friendship between Denver and Jim Henson that spawned two television specials with the Muppets, A Christmas Together and Rocky Mountain Holiday
 Irish playwright Oscar Wilde visited Colorado on his tour of the United States in 1882, writing in his 1906 Impressions of America that Leadville was "the richest city in the world

