Come out January 20th through the 22nd for Auto Mania. This event is Pennsylvania’s largest indoor swap meet for more than two decades. Held in the 59,000 square foot Agricultural Hall in Allentown, PA, this event has the perfect atmosphere for trading. With a wide selection of vendors, you will not be disappointed. No matter the weather, this event will be held. Spend a great weekend filled with cars in Allentown.