Kopper's Hotel and Saloon
 Kopper's Hotel and Saloon also known as the Airedale Building is a National Register of Historic Places listed building in Denver Colorado. It was designed by Frederick C. Eberley. The Hotel and Saloon was constructed in 1889. The building was renamed the Airedale in 1919 and the pediment was modified accordingly. The facade is not believed to have undergone any other major changes at the time. It was a working-class hotel.