1906 Two Subgoogs in Colorado Colorado Springs Estados Unidos › Colorado › El Paso › Colorado Springs
1920 Ku Klux Klan racing drivers checking the car Platt Park Neighborhood Estados Unidos › Colorado › Denver › Platt Park Neighborhood
c.1890 Stagecoaches and freight wagons on the road Cripple Creek Estados Unidos › Colorado › Teller › Cripple Creek
1894 Twain in the laboratory of Nikola Tesla Colorado Springs Estados Unidos › Colorado › El Paso › Colorado Springs
c.1900 Nikola Tesla in his laboratory Colorado Springs Estados Unidos › Colorado › El Paso › Colorado Springs
1899 Nikola Teslas high voltage laboratory Colorado Springs Estados Unidos › Colorado › El Paso › Colorado Springs
c.1918 Berkeley beach and range Pioneer Mobile Gardens Estados Unidos › Colorado › Adams › Pioneer Mobile Gardens
