If your trip to Leonia is all sorted out but your itinerary is a bit on the empty side, let us give you a helping hand.You'll need to rise with the sun if you want to check out all the great attractions that this place has to offer. Yankee Stadium and Columbia University are must-sees. Apollo Theater and MetLife Stadium shouldn't be missed either.Close to the city center, George Washington Bridge is one sight you might like to consider putting on your must-see list. New Balance Track & Field Center at The Armory and The Met Cloisters are also nearby and worth taking the time to see.