For years, she had longed for a house on some land, but it wasn’t until she serendipitously found this parcel that she took the plunge.Credit: Carmel Brantley; Designer/Stylist: Kara Miller“Wide-open spaces and nature have always been of the utmost importance to me,” says Jupiter, Florida, designer Kara Miller, who spent her early childhood years on a sugarcane farm. So when she discovered this 5-acre piece of land after a visit to her beloved f…