At the James Rose Center, the house and gardens have no clear boundaries. Frequently ranked among the world’s finest Japanese gardens outside Japan, this 12.5-acre sanctuary is designed to inspire a sense of peace and reflection. Longwood Gardens: Pennsylvaniaarlutz73 // Getty ImagesLongwood Gardens in Kennett Square, Pennsylvania, is horticulture on a grand scale. Vizcaya Museum & Gardens: FloridaTasfotoNL // Getty ImagesThis is another destination that combines two of my favorite things: a beautiful house and an extraordinary garden. travelview // Getty Images The South meets Italian Renaissance style at Vizcaya Museum & Gardens.