Wonders of the National Parks: A Geology of North America

Acadia’s Highlands and Islands (1x22)

Air date: Oct 22, 2015

The rocks of coastal Maine reveal a gripping legacy of lost oceans, colliding continents, epic mountains, furious volcanoes, and massive glaciers. Acadia National Park records evidence of all this, etched into its granite summits and boulder-strewn shores.