9 Breathtaking Tree Houses You Can Rent on Airbnb This Summer

Designer and builder Dustin Feider started O2 Treehouse to inspire people to "reconsider how we can more harmlessly co-exist with nature," and the company now offers stays in the Pinecone Tree House on Airbnb. The structure is suspended in the forest and can be accessed via a steep wooden ladder and a trap door that unfolds from the top.