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These are all Best Things to Do in Middlesex County:Harvard University, Walden Pond State Reservation, MIT Museum, The Harvard Museum of Natural History, Harvard Yard

Some highly-rated Best Things to Do in Middlesex County include:Harvard University:4.8, Walden Pond State Reservation:4.4, MIT Museum:4.5, The Harvard Museum of Natural History:4.5, Harvard Yard:4.4

The Best Things to Do in Middlesex County are mainly located in:Harvard University:Cambridge, Walden Pond State Reservation:Concord, MIT Museum:Cambridge, The Harvard Museum of Natural History:Cambridge, Harvard Yard:Cambridge