Aerial view of Denver downtown (Getty Images) One very notable change from 1924 to now is that the Arapahoe County Courthouse, which can be seen in the earlier image, no longer exists.

An aerial view of the staircase, seen from the second story of the hotel. Photo: Alayna Alvarez/Axios The intrigue: Populus has eliminated on-site parking to further reduce its carbon footprint.

9NEWS' Gary Shapiro gives a virtual tour of the old Stapleton Airport neighborhood which closed in 1995 for Denver International Airport in Denver, Colorado. Skip Navigation Share on Facebook ...