where to shoot

im about 10 miles north of of Boston,,, trying to find out where i can legally shoot outside of any clubs or ranges,,,, ive been looking at satelite photos ...theres plenty of open swatches of land ,,powerlines and such ,wish i was sure of the law,, on the ma gov page it states any violation of the law will result in,, no more than a $100 fine and confiscation of and destruction of violaters weapon ... $3000 is a lot so im reluctant.. thank you fellow members for advice pat