The world’s largest treehouse sits in the small town of Crossville, Tennessee, and took 14 years and 258,000 nails for minister Horace Burgess to build. Burgess began working on the structure in 1994 when he had a vision in which God spoke to him and said, “If you build me a treehouse, I’ll see you never run out of material.”
Soaring 100 feet high, the entire building wraps around seven giant white oak trees and covers nearly 10,000 square. All of this was with reclaimed wood and without blueprints. It cost the 56-year-old landscape architect around $12,000 to construct the world’s biggest treehouse.