Get your adrenaline going! Daytona International Speedway - the World Center of Racing is fast-becoming the World Center of Entertainment, and its $400-million refurbishment is nearly complete.Speedway Tours and the Richard Petty Driving Experience are must-see summer excursions, but don't miss celebrating Independence Day at the Coke Zero 400 Weekend, which features of NASCAR Spring Cup Series racing and the biggest fireworks display in the Southeast - all under the summer stars.