5

Three Story Treehouse (British Columbia, Canada). Image credits: imgur.com

6

The Mirror Tree House, part of the Tree Hotel project in the North of Sweden. Designed by Tham & Videgard

7

The Bird’s Nest Tree House (Sweden). Designed by inredningsgruppen.se

8

The HemLoft Treehouse (Whistler, Canada). Image credits: Joel Allen

9

Treehouse in Muskoka (Ontario, Canada). Image credits: imgur.com

10

Minister’s Treehouse by Horace Burgess (Crossville, Tennessee, USA). Image credits: imgur.com

11

Yellow Treehouse Restaurant in Auckland, New Zealand. Designed by Peter Eising & Lucy Gauntlett

13

Treehouse in Seattle (USA). Image credits: jasfitz 

14

Free Spirit Sphere Treehouses (Canada). Image credits:freespiritspheres.com

15

Tree House People by  Takashi Kobayashi (Japan)

16

Senior Center Turned Treehouse, made for the art festival TRACK: A Contemporary City Conversion, Ghent, Belgium. Designed by Benjamin Verdonck

17

The O2 Treehouse (USA). Designed by o2treehouse.com

18

 Treehouse for Birds and People (Andu Momofuku Centre, Japan). Designed by Nendo.

19

Eco-friendly Finca Bellavista Treehouse (Costa Rica). Image credits: Anders Birch 

20

Architect Terunobu Fujimori‘s Teahouse Tetsu, Yamanashi, Japan. Image credits: Amazon.com

21

UFO Treehouse by The Swedish Tree Hotel. Image credits: treehotel.se