What are other things to do than City Cards that are worth visiting in Boston?

The other unmissable things to do in Boston are:<a href='/boston-l260/activities-tc54/'>Activities</a><a href='/boston-l260/tours-tc1/'>Tours</a><a href='/boston-l260/nature-adventure-tc35/'>Nature & Adventure</a><a href='/boston-l260/culture-history-tc27/'>Culture & History</a><a href='/boston-l260/wheelchair-accessible-tc239/'>Wheelchair Accessible</a>

What are the best Boston City Cards?

The best Boston City Cards are:<a href='/boston-l260/boston-go-city-explorer-pass-including-2-to-5-attractions-t223230/'>Boston: Go City Explorer Pass including 2 to 5 Attractions</a>