Denver Auditorium Arena was an indoor arena located at the corner of 13th and Champa Streets in Denver, Colorado. It was constructed as the Denver Municipal Auditorium and opened on July 7, 1908.
With a capacity of 12,500, the building was at the time of its opening the second largest in America to Madison Square Garden.The building was demolished in 1990 and was remodeled into the Temple Hoyne Buell Theater. (Wikipedia)