Find Your Park
Road Trip
Activities
Nature
Lake Clark National Park and Preserve Fossils
Coastal cliffs between Cook Inlet and the eastern side of Lake Clark National Park hold fossil remnants of 150 million years of sea life.
Maine ocean islands provide the only nesting sites for Atlantic puffins in the United States. Eastern Egg Rock in the midcoast region, Seal Island and Matinicus Rock at the mouth of Penobscot Bay, and Machias Seal Island and Petit Manan Island off the downeast coast provide habitat for more than 4,000 puffins each summer.