Discover Northlandz, one of Flemington, New Jersey's top tourist destinations. Explore a fantastic model railroad museum that has elaborate model trains and a distinctive outdoor train ride. Visit the museum of ghostly dolls for a hint of mystery. Northlandz is one of the best locations for parties in Flemington, New Jersey, and is also a top kids' birthday event. Northlandz is a fantastic experience full of thrilling things to do in New Jersey that is ideal for people of all ages. haunted doll museum