Anyone in the market for 63 acres of pure emerald Ireland is in luck: A 22-bed mansion on the isle’s southeastern edge is up for sale, for a cool $2.87 million. Pulling that price up or down, depending on your perspective, is the site’s rather interesting history. The mansion, known as Loftus Hall, goes back to the 12th century, and has seen several regime changes over the years. The most infamous chapter in its history, no doubt, comes from the 18th century. According to legend, a raging storm drove a…