In 1961, the Civic Arena, was built to house the CLO. The arena, former home of the Pittsburgh Hornets (AHL, 1961–67) and the Pittsburgh Penguins (NHL, 1967-2010) hockey franchises, was covered by the world's first retractable roof, designed so that audiences might enjoy theater under the stars.
Built in 1961 to house the CLO, the Civic Arena was equipped with a retractable roof designed for ice hockey teams. It served as the home of both the Pittsburgh Hornets (AHL, 1961–67) and the Pittsburgh Penguins (NHL, 1967-2010), offering an experience akin to theater under the stars.