17 Carson Rd, Princeton, NJ Price: $749,000 Under the Dome: Sitting on a peaceful 5 acres, this Princeton home offers privacy and space. Windows in geometric shapes are scattered throughout the home, allowing natural light to fill the dome. Complete with a spiral staircase, brick fireplace, and luxurious bathrooms, this home is a perfect getaway.
All images from Tree Houses: Fairy Tale Castles in the Air. This one is the Honey Sphere Tree House. Buckminster Fuller, who popularized geodesic domes, would love this tree house, owned by Robby Krieger, the guitarist of the Doors. (Tree Houses: Fairy Tale Castles in the Air)