It's the world's biggest treehouse,it's also known as The Minister's Treehouse.
The huge structure in Crossville Tenessee just 'grew like Topsy' as the Minister, Horace Burgess kept on keeping on, during the 1990's through to 2004, building his house around a 12ft diameter old oak tree. It's over one hundred feet high and has over 10,000 square feet of floor space.
Check it out over here...
