Tree houses like none other, a creative contractor is creating some very unique and fun tree houses.
Mike Nelson from Fall City, Washington, (Northeast of Seattle) Mike creates a magical outdoor space, bringing happiness in many forms. Mike Nelson is a bubbly energetic contractor with incredible vision. These tree houses are not the typical tree house your father built for you or your friend’s tree house. See these links for some of the tree houses Mike and his crew has built.
This is a cool link to a tree house retreat in Fall City, Washington, Treehouse Point
Mike has a show on Animal Planet on Fridays; my family enjoy watching this funny cast of characters.
You most likely won't get your return on investment as monetarily, yet I would think you would maximize a fulfillment of happiness and pleasure knowing your family has a unique item that other homes in your area may not have.