American Airlines Arena

Miami, Fla.
Year Open: 1999
Cost: $213 million
Naming terms: 20 years, $42 million
Exp. Date: 2019
Tenants: Miami Heat (NBA)

American Airlines is the only company to own the naming rights of two stadiums in the same sport. Ironically, the Dallas Mavericks and Miami Heat met in the 2006 NBA Finals, a slam-dunk for the airline's exposure. Talk about a win-win.