Denver landmark

Denver has a formal historic designation program that establishes Denver landmarks. These are designated by ordinances of Denver's city council. The first three sites so designated, on January 10, 1968, are the Emmanuel/Sherith Chapel, Constitution Hall (site) (destroyed by fire in 1977), and the Governors Mansion. The list of designated sites is 11 pages long.

It also has many visitor attractions and unofficial landmarks, including:

...
Wikipedia