Indonesia: this is the largest highly acidic lake in the world
Methane rising to the surface of lakes
The Endurance: a story of survival in Antarctica
How did the Moeraki Boulders form?
The "hands of God": A look at Vietnam's Golden Bridge
Yakushima's magical cedar forest
Sailing stones of Racetrack Playa, a mysterious phenomenon
Blue River Provincial Park: a marvel of Caledonian nature
In the United States, the seascape of Cape Perpetua
In the footsteps of an explorer who disappeared in the Amazon...
This is one of the most iconic landscapes on the African continent
Hvítserkur, a majestic dark monolith in Iceland