1. The Blue Whale in Plikta park, Gothenburg, Sweden. Designed by Monstrum.

3. The Forest of Cherry Blossoms at Moerenuma Park, Hokkaido, Japan
The Forest of Cherry Blossoms at Moerenuma Park, Hokkaido, Japan. Designed by Isamu Noguchi. [Photos via]

7. Water Playground in Tychy, Poland. [Photos via]

9. Woods of Net in Hakone, Japan. Designed by Toshiko Horiuchi Macadam
Woods of Net in Hakone, Japan. Designed by Toshiko Horiuchi Macadam. [Photo via]

10. The Brumleby playground, Copenhagen. Designed by Monstrum.

13. Sculptural playground in Schulberg, Germany. Designed by ANNABAU
Sculptural playground in Schulberg, Germany. Designed by ANNABAU. [Photos via]

15. Berkeley, California

16. Belleville Park play­ground, Paris, France. Designed by BASE.