There are many historic and cultural attractions in Boston and Cambridge.  They include the Freedom Trail, Boston Harbor Islands, and Harvard Square. Also find time to visit nearby Concord, Salem, Plymouth, and Cape Cod.

Arnold Arboretum - A beautiful collection of plant life in Boston, a part of Harvard University
Boston African American National Historic Site - A National Historic Site of 15 pre-Civil War structures
Boston Duck Tours - A favorite of visitors and residents, the tour takes place on both land and the water
Boston Harbor Islands - A national park with 34 small islands
Boston National Historic Park - Charlestown Navy Yard
Boston Symphony Orchestra - Catch the BSO at Tanglewood or on July 4th at the Hatch Shell
The Bull and Finch Pub - Otherwise known as the "Cheers" pub
Bunker Hill Monument - The 221-foot marker commemorates the Battle of Bunker Hill, and is open to tours
Fenway Park - You can take a tour to see where Red Sox legends, past and present, pitched, swung and did their thing
Freedom Trail - An overview from the city of Boston's most famous historic trail
Harvard Square - Catch the street performers and browse the bookstores and pubs of the famous block outside Harvard University
New England Aquarium - Great for both children and adults
Old North Church - Famous for the night when its church sexton hung two lanterns as a signal to Paul Revere that the British were coming
Paul Revere House - Find out more about the legendary man and his ride, and check the events section for exhibits and re-enactments
Swanboats - A Boston tradition in the Public Garden for more than 1 1/4 centuries