Villa Ginori—a historic Tuscan hideaway minutes from Florence—is on the the market for the first time since the 1970s.

The British royal family's Windsor Castle measures 484,000 square feet and has around 1,000 rooms. It often hosts world leaders for state visits, including President Donald Trump during his UK visit.

The king is ready to give up his castle. David Birdsell recently put up for sale his 8-acre property in Charlestown and the large cinderblock structure that looks more like something out of a ...