For a more storybook feel, give your treehouse an international flair with an arched doorway and a classic red roof—key elements often found in traditional German cottages. These details will ...

My wife, “Judy” and I have two boys, ages 7 and 9, and they want me to build them a treehouse in the giant oak tree in our backyard. I’m a master carpenter by trade, so this would be no big deal for ...