U.S. News Insider Tip: If you have kids in tow, see Acadia ... hiking trail takes you by Thunder Hole, Monument Cove and Otter Cliff along the way. The path delivers nearly endless ocean views ...

Park visitors agree: riding along the 27-mile Park Loop Road is the best way to do a quick tour of Acadia (and makes a strong case for renting a car). Popular sights and trails like Sand Beach ...