Harvard's Collection of Historical Scientific Instruments: free to visit

More free museums and attractions in Cambridge

• Harvard Art Museums: free admission every dayTuesday–Sunday, 10am–5pm (closed Mondays and major holidays) · Harvard Art Museums · Free (worth about $20)
• Tour USS Constitution, the Navy's oldest commissioned warship, freeWednesday–Sunday, 10am–4pm (closed MLK Day, Patriots' Day, Thanksgiving, Christmas and New Year's Day) · USS Constitution, Charlestown Navy Yard · Free (worth about $15)
• Fuller Craft Museum in Brockton: free admission, donations welcomeTuesday–Sunday, 10am–5pm (closed Mondays and major holidays) · Fuller Craft Museum · Free (worth about $10)
• Addison Gallery of American Art in Andover: always freeTuesday–Saturday 10am–5pm; Sunday 1–5pm (closed Mondays) · Addison Gallery of American Art, Phillips Academy · Free (worth about $10)
• Climb the Bunker Hill Monument for freeOff-season (Oct 13–May 28): Wednesday–Sunday, 1–4pm · Bunker Hill Monument and Museum (Boston National Historical Park) · Free (worth about $10)
• Arnold Arboretum: Harvard's tree and plant collection, always freeDaily, sunrise to sunset (visitor center 10am–4pm) · Arnold Arboretum of Harvard University · Free (worth about $10)

All free museums and attractions in Cambridge