Light Cannon House / Carterwilliamson Architects
Simple tree house built around the tree incorporating the tree asa "roof". Like the swingset addition
Before-and-Afters of Backyard Decks, Patios and Pergolas : Home Improvement : DIY Network
Roundup: 14 DIY Fire Pits You Can Make Yourself! » Curbly | DIY Design Community
Wrap around tree bench - needs to be a mix of simple to build, comfortable for adults & a great jumping off, walking around & play table for kids (and could possibly morph into part of a tree house in the future).
Thiuja green giant hedge. grows 3' per year. Planting a Privacy Screen: When planting Thuja Trees as a privacy screen, space your trees between 4 and 8 feet apart for a solid barrier. Your privacy screen will eventually get to a height of 20 to 40 feet high. If you want your trees shorter, plant closer together. If you want them taller, plant further apart.
Westcliff Pavillion // Architecture Studio