If your trip to Hannover Airport (HAJ) is all locked in but your travel itinerary is a bit on the empty side, let us give you a few hints and tips.Great Garden won't take very long to reach from the airport. Head over and discover what all the fuss is about.Visitors from far and wide come to see Sea Life Hannover, so make it one of your first stops after you hit the runway. Also worth checking out are Herrenhausen Gardens and Berggarten.