It encompasses the towering Cadillac Mountain, kilometers of golden beaches, and a dense forest on 49,000 acres among mountains and sea.
With nearly 300 miles (482 km) of trails suitable for walkers of all skill levels, it is a hiker's paradise.
There are extremely few services, no cell coverage, and 87,564 acres of wilderness there.
Over 215 miles of hiking trails wind through forests, meadows, mountains, streams, lakes, and waterfalls, drawing tourists here in the summer.
Grafton Notch, which was created by a glacier and over 12,000 years ago, is filled with breathtaking beauty.
Although it has stunning evergreen trees and jagged cliffs, the beach is what really sets this park distinct.
Fans of history should immediately head to Saint Croix Island Historic Site.