From the Atlantic on the outer edges to the tidal marsh in the interior, it's a fascinating place to watch for wildlife. The maze of trails that snake through the peninsula take you through trees, by the ocean and even through wetlands . You can take a map with you or just wander whichever way the wind takes you.
World's end is surprising close to Boston being about 15 miles away. There is a parking lot and then a small entrance fee unless you are a Trustees member.