While you are making your road trip plans for the upcoming Summer months, you might be looking for a spot to travel to that may be one of the hidden gems of Massachusetts. Maybe it's a spot that can sometimes get overlooked because of all the other great spots we have to explore in the Bay State. However, you wouldn't need to go to Cape Cod, Martha's Vineyard, Salem, the Berkshires, or downtown Boston if you were going to find a place known as the 'Coolest Hidden Wonder in Massachusetts'.