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.
Katia Krafft is responsible for much of what we know about volcanoes
Rainbow-colored mountains in China, a unique geological phenomena
General Sherman: the largest living organism in the world
The striking appearance of bush vipers
How did the Moeraki Boulders form?
The extraordinary Salt Pans of Maras