Visitors looking to relax after sightseeing will enjoy the Boston Public Garden. Parkgoers say you'll find plenty of shade beneath the park's trees, which comes in handy on hot summer days.

The Marathon winds through eight towns and cities — Hopkinton, Ashland, Framingham, Natick, Wellesley, Newton, Brookline, then Boston. Here are the details about the course, plus a map.

For more information, visit the Boston Harbor Islands' website. Boston Duck Boat Sightseeing City Tour with Cruise Along Charles River (9014 reviews) ...