What are other attractions than Harvard University that are worth visiting in Cambridge, Massachusetts?

The other must-see attractions in Cambridge, Massachusetts are:<a href='/massachusetts-institute-of-technology-l74189/'>Massachusetts Institute of Technology</a><a href='/harvard-square-l133922/'>Harvard Square</a><a href='/harvard-yard-l133927/'>Harvard Yard</a><a href='/john-harvard-statue-l163206/'>John Harvard Statue</a><a href='/harvard-museum-of-natural-history-l8080/'>Harvard Museum of Natural History</a>

What are the most popular Harvard University tours and tickets?

The best Harvard University tours and tickets are:<a href='/boston-l260/harvard-70-minute-harvard-tour-t52676/'>Harvard: 70-Minute Harvard Tour</a><a href='/boston-l260/boston-hop-on-hop-off-trolley-tour-t15344/'>Boston: Hop-on Hop-off Trolley Tour</a><a href='/boston-l260/boston-go-city-all-inclusive-pass-with-40-attractions-t5599/'>Boston: Go City All-Inclusive Pass with 40+ Attractions</a><a href='/massachusetts-institute-of-technology-l74189/from-nyc-exclusive-spanish-language-day-trip-to-boston-t287535/'>From NYC: Exclusive Spanish-Language Day Trip to Boston</a><a href='/new-york-city-l59/boston-and-the-freedom-trail-from-new-york-day-trip-t9039/'>Boston and the Freedom Trail from New York: Day Trip</a>