A dad built his son three castles in the Adirondack Mountains, and they're now open to guests. Highlands Castle, the largest mini-castle on the estate, sleeps up to eight guests. Courtesy of Highlands CastleIn the late 1970s, John Lavender II told his 3-year-old son Jason that he'd build him a castle one day. He told BI he made his son the promise when he was newly divorced and figuring out his next steps. But after he suffered an accident in 2010, he and his wife, Yvonne, decided to open their castles to guests.

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Persons: John Lavender II, Jason, he'd, Lavender, Yvonne Locations: Highlands