The world's largest tree house -- the Minister’s House in Crossville, Tennessee. The largest tree house in the world, the Minister’s House measures over 97 feet tall and uses 6 Oak trees as pillars to support the structure.
Believe it or not, but this Guadua bamboo treehouse by Colombian Architect Jaime Peña is the result of a simple bamboo dollhouse inquiry that got way, way out of hand. Read more: Biomimetic Bamboo Treehouse in Colombia — Guadua Bamboo
AIA Names Top 10 Most Sustainable Projects in U.S.