One thing they did change was the ladder, which was originally positioned perpendicular to the floor. "It was hard to go up and down, especially when carrying things," Stubb says. Not long after construction was complete, Peter took it out and installed a new ladder at an angle.Photograph courtesy of Laurie Stubb.  Photo 9 of 10 in Baltimore Tree House

Baltimore Tree House

9 of 10

One thing they did change was the ladder, which was originally positioned perpendicular to the floor. "It was hard to go up and down, especially when carrying things," Stubb says. Not long after construction was complete, Peter took it out and installed a new ladder at an angle.Photograph courtesy of Laurie Stubb.