Approx. Time: 5 hours
Activity Level: Easy to Moderate
Cambridge, a center of higher learning institutions including Harvard and MIT, offers a remarkable mix of activities and attractions. Bookworms may hide away in the area's nifty bookshops or visit Longfellow's yellow mansion, people-watchers stroll through Harvard Square by day and stay for music in the evening. Eateries abound, as Cambridge is host to just about every type of ethnic restaurant.