Check out these great then-and-now photos of Bay Shore courtesy of the Bay Shore Historical Society.

There are 10 sets in all.

Click boxes 2, 3 and 4, etc., below each photo to scroll through. (And try to guess!)

The Bay Shore Historical Society is located in the Gibson-Mack-Holt House at 22 Maple Avenue. The building is open to visitors every Tuesday and Saturday, from 1 p.m. to 4 p.mEmail to learn more.