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.