THE WORLD'S BIGGEST TREEHOUSE
This stunning treehouse which has to be every little boy's dream is located in Cumberland County, Tennessee. It's 97 feet high and is built on a 80 foot tall white oak.
The treehouse was built by architect Horace Burgss and has 10 floors and its size is about 9,000 square feet. It took 258,000 nails and $12,000 to build.