Omni Coliseum was an indoor arena in Atlanta, Georgia, United States. Completed in 1972, the arena seated 16,378 for basketball and 15,278 for hockey. It was part of the Omni Complex, now known as the CNN Center.

Weathering steel, often referred to by the genericised trademark COR-TEN steel and sometimes written without the hyphen as corten steel, is a group of steel alloys which were developed to eliminate the need for painting, and form a stable rust-like appearance after several years' exposure to weather.