The Mercedes - Benz Superdome in New Orleans is a true dome structure made of a lamellar multi-ringed frame .
The Mercedes - Benz Superdome in New Orleans has a diameter of 680 feet ( 210 m ) .
The Mercedes - Benz Superdome in New Orleans is a true dome structure made of a lamellar multi-ringed frame and has a diameter of 680 feet ( 210 m ) .