Boston is a beautiful city with so much to offer. Here's an ideal itinerary for 3 days in Boston:

Day 1:

Start your day by visiting the famous Freedom Trail, which is a 2.5-mile-long path that takes you through 16 historical sites in Boston. You can start at the Boston Common and end at the Bunker Hill Monument. Along the way, you'll see landmarks such as the Massachusetts State House, Paul Revere's House, and the USS Constitution Museum.

After completing the Freedom Trail, head over to Quincy Market for lunch. This historic marketplace has a variety of food options, from seafood to Italian cuisine. You can also do some shopping here and pick up souvenirs.

In the afternoon, visit the Museum of Fine Arts, which has an extensive collection of art from around the world. The museum has over 450,000 works of art, including paintings, sculptures, and decorative arts.

Day 2:

Start your day by visiting the Harvard University campus in Cambridge. Take a guided tour of the campus and learn about the history of this prestigious university. You can also visit the Harvard Museum of Natural History, which has exhibits on dinosaurs, minerals, and other natural wonders.

After visiting Harvard, head back to Boston and take a stroll along the Charles River Esplanade. This park offers stunning views of the river and the Boston skyline. You can rent a bike or a kayak and explore the area further.

In the evening, catch a game at Fenway Park, home of the Boston Red Sox. Even if you're not a baseball fan, the atmosphere at Fenway is electric, and it's a must-visit destination for any sports enthusiast.

Day 3:

Start your day by visiting the Boston Tea Party Ships & Museum. This interactive museum tells the story of the Boston Tea Party and allows visitors to participate in a reenactment of the event.

After the museum, head over to the North End, Boston's Little Italy. This neighborhood is known for its delicious Italian food and charming streets. You can grab lunch at one of the many restaurants here and explore the area on foot.

In the afternoon, visit the New England Aquarium, which has over 20,000 animals from around the world. The aquarium has a giant ocean tank that houses Myrtle, a 90-year-old sea turtle, as well as sharks, stingrays, and other marine life.

In the evening, take a sunset cruise on Boston Harbor. This is a great way to see the city from a different perspective and enjoy the beautiful views of the skyline.

I hope this itinerary helps you plan your trip to Boston!