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 in 1908 during the administration of Denver Mayor Robert W. Speer. The building was opened on July 7, 1908, and was the site of the 1908 Democratic National Convention. On December 26, 1968, the rock group Led Zeppelin played their first concert in the United States at the Auditorium Arena. In the last several years of its existence, the building was a popular venue for professional wrestling, hosting both AWA and WWF events.