- Acadia was the first national park east of the Mississippi River
- Its 47,000 acres spread from the Schoodic Peninsula to many islands
- Cadillac Mountain is the tallest peak on the Atlantic Coast
CNN.com's weekly Summer in the Park series turns to rangers at the United States' most popular national parks to get insider recommendations for your visits, whether you have just one day or can stay longer. The series will run through Labor Day.
(CNN)Around 4:30 a.m. the first beams of summer sunlight finish crossing the Bay of Fundy and arrive at West Quoddy Head in Lubec, Maine, the easternmost point of the continental United States.