A group walked a narrow strip of road in the remote Channel Islands National Park on June 8, with ocean views on one side, and fire-blackened hills on the other. A few weeks earlier, flames raced through grass and chewed through brush on Santa Rosa Island, roughly 40 miles off the coast of Ventura, California. In all, the fire burned nearly 29 square miles, destroyed at least two historic structures and became the largest in the Channel Islands' recorded history.