Tromsø is one of the best places to see the Northern Lights
Midnight sun, Northern Lights... This city in Norway is the "3rd best travel experience" in the world.
How cacti survive in the desert
Wave Rock is one of Australia's must-see features
The Kilauea volcano is only one of 169 active volcanoes in the USA
The extraordinary Salt Pans of Maras
General Sherman: the largest living organism in the world
The Horsetail fall attracts thousands of visitors each year