Built in Boston at the turn of the century by the late Mrs. Jack Gardner, the Italianate mansion was used to house her private collection of art and share it with the public. Unfortunately, as the festivities of St. Patrick’s Day came to an end on March 18, 1990, two unknown thieves rob the Isabella Stewart Gardner Museum and walked away with a dazzling collection of art masterpieces by Rembrandt and Vermeer valued to be as high as at $500 million today, making it the largest art theft in history!…