New Jersey is considered to have the most dense system of highways in the U.S. Each of those highways come with a long list of attractions to keep you entertained along the way. Whether you'd like to spend some time in a top resort getting some much needed spa treatment, learn about Colonial and early American history or just walk along the famous boardwalks, New Jersey offers plenty of options for travelers to stop and have a good time while they ride through the state in their rental car.