33 of the Best Tree House Ideas Ever for Grown Kids

You'll feel a little tree house envy when you see this round up of the best (and wildest) modern tree house ideas around. And if you've got tree house plans in the works already, take a look at some of these incredible designs first. Enjoy! ChamilleWhite / Getty Images Stockcrafter / Getty Images

1. Mirrored Black Box Tree House

2. Oasis in a National Park

3. Tokyo Suburb Tea House Among the Cherry Trees

4. Philly Backyard Contemporary Tree House Ideas

5. Large Mid-Century Los Angeles Tree House and Workspace

6. Mini Tree House Pods for Relaxing

7. Tree House Featuring a Frightening Swing Over the Abyss

8. Glass Tree House That Doubles as Art

9. Modern Seattle Tree House With Bridge Access

10. Avant-Garde Tree House Design

11. Lodge in the Trees, Tanzania

12. Rustic Modern Colorado Tree House

13. Orcas Island Tree House Getaway

14. Tree House Shaped Like a Wave

15. Copper Siding Modern

16. Mirrored Walls That Change With the Seasons

17. Luxurious Living in the Trees

18. Sleeping Above the Lions in South Africa

19. Contemporary Tree House Plans

20. A Colorful, Modernist Tree House on the Inside and Outside

21. When 90 Degrees Angles Don't Matter

 22. 2-Story Island Getaway in Maine

 23. Barrel-Shaped Tree House Plans

24. Barn-Inspired Oak Tree House

25. Jungle Tree House in Sri Lanka

26. Ergonomic Shaped Tree Pod

27. A Nearly Secret Hideaway

28. Trapezoidal Tree House on Stilts

29. Cliffside New York Tree House

30. Simple Meditation Space in the Trees

31. Airbnb Italian Tree House Rental

32. Cubist Tree Pod

 33. Oblong Tree Capsule

Want to see more cool, unusual homes? Check out Living Big in Tiny Houses or Life Inside the Box: Container Homes.

Which one of these tree houses is your favorite?