Museum of Science, 1 Science Park, New England Aquarium, Central Wharf, Boston, 617-267-3825, bostonducktours.com. Free Tours By Foot Freedom Trail Tour With Free Tours by Foot, you name your price.

The Freedom Trail stretches across ... don't miss the many highlights in Boston's own backyard. Ready to discover more hidden gems and expert travel tips? Subscribe to our free newsletter for ...

Stretching 2½ miles, the Freedom ... free, though some attractions along the trail do charge admission fees. If you're interested in other ways to see trail, check out our list of the best Boston ...