Upon receiving my cousin’s wedding invitation, I turned into a cartoon villain. Fingers and brows tented, I smirked. “Excellent,” I said. With that invitation, I had reason to go to Maine, the only state east of the Mississippi River I’d never set foot in and home to Acadia National Park, an almost 50,000-acre wonderland of rugged and rocky Atlantic coastline, woodlands, lakes and ponds. Excellent, indeed. Acadia National Park sits mostly on Mount Desert Island, near Bar Harbor, Maine. It was first designated as Sieur de Monts National Monument by President Wilson in 1916 with around 6,000 acres, and then, in 1919, Congress redesignated it as Lafayette National Park and…