Some might say that tree houses are just for kids, but the architects of these innovative homes might beg to differ.
1. The glass-enclosed tree
The architect of this house created vertical windows that enclose the tree trunks.
2. Spiral staircase
Flickr: asmith14850
This spiral staircase in Hector, New York winds around a tree trunk.
3. The living room tree
![](https://images2.minutemediacdn.com/image/upload/c_fill,w_16,ar_16:9,f_auto,q_auto,g_auto/shape/cover/sport/brokenimagev3-c15beb12d46cd18e4c8e0a72b18480f1.png)
Courtesy of Pazarquitectura
This cement house in Guatemala has a tree growing through the living room.
4. Tree stump house
![](https://images2.minutemediacdn.com/image/upload/c_fill,w_16,ar_16:9,f_auto,q_auto,g_auto/shape/cover/sport/brokenimagev3-6202f524e060c1180d2e1dddfc630517.png)
Courtesy of the University of Washington Libraries Digital Collections
This little house was made from the stump of a cedar tree.
5. The tree-friendly deck
![](https://images2.minutemediacdn.com/image/upload/c_fill,w_16,ar_16:9,f_auto,q_auto,g_auto/shape/cover/sport/brokenimagev3-fade27ac33f24d5de65159976da437a5.png)
Courtesy of munozarquitectos
This architects of this house in Mexico preserved dozens of trees on the property, including the many trees growing where they wanted to put a pool deck.
6. Beachfront tree house
![](https://images2.minutemediacdn.com/image/upload/c_fill,w_16,ar_16:9,f_auto,q_auto,g_auto/shape/cover/sport/brokenimagev3-096dfcb34ad653ade86823011e544a11.png)
Courtesy of CoolTreeHouse
The owners of this treehouse on Anna Maria Island in Florida are fighting a zoning battle to keep it.
7. Courtyard tree
Courtesy of Hufft
Even though the house wasn't planned around this small courtyard tree, we like the way a little outdoor space was tucked into the center of the house.
8. Inspired by God
Flickr: Frank Kehren
This house in Tennessee incorporates seven trees. It is currently closed to the public.
9. A-frame house
![](https://images2.minutemediacdn.com/image/upload/c_fill,w_16,ar_16:9,f_auto,q_auto,g_auto/shape/cover/sport/brokenimagev3-aac6aa3a93fd4ff439044b7248b406b9.png)
Courtesy of OnDesign
A house in Tokyo has trees growing though the edge of the roof.
10. The fig tree house
![](https://images2.minutemediacdn.com/image/upload/c_fill,w_16,ar_16:9,f_auto,q_auto,g_auto/shape/cover/sport/brokenimagev3-233953125e7636584e86e68c6deebce3.png)
Courtesy of EmailFlyers
The foundation of this 1919 house in Pasadena was built around the roots of a Moreton Bay fig tree thought to be hundreds of years old.
Honorable mention:
![](https://images2.minutemediacdn.com/image/upload/c_fill,w_16,ar_16:9,f_auto,q_auto,g_auto/shape/cover/sport/brokenimagev3-b2359af1df5e1020201a5bb7f27d9148.png)
Courtesy of The Redwoods Treehouse
It's not a house, but we couldn't resist including this other-worldly pod built around a redwood tree. It's an event venue in New Zealand that holds up to 30 guests.