Blue is not a common color in nature
What are the purposes of pine cones?
Road trip across New Zealand
Where do natural pigments come from?
3 amazing landscapes at the borders of Brazil
Impressive images of kayakers descending the Saut du Doubs
In Nordic countries, everyone has the "freedom to roam"
The biggest cave on Earth is higher than a 40-story building
Tromsø is one of the best places to see the Northern Lights
3 of the most beautiful waterfalls in the world
The striking appearance of bush vipers
What's a blood moon?