Beneath the blazing Bolivian sun lies a land of extremes, ranging from desolate highland plateaus to dormant volcanic landscapes. But the true wonder of this astonishing land is Salar de Uyuni--an endless salt flat so blindingly white it can be seen from outer space.

The Bahamas are home to migratory birds, green turtles, and rock iguanas.

Lake Superior is a rugged natural wonder and an ancient haven for remarkable geological and cultural history. Step into the picturesque settings of one of North America's most important natural regions and learn about the unique history of its indigenous people.

The visual magnificence of the Niagara Escarpment is only really matched by the richness of its First Nations lore, dotted with epic tales of heroic figures and mysterious spirit worlds. Immerse yourself in the dazzling geological attractions of this truly historical corner of North America.

Iceland is the world's largest volcanic island, a fact that's makes it a breathtaking, but deadly, geological marvel. Take a journey along a ridge that divides continents, follow endless fields of solidified lava, and witness the rare and striking spectacle of a volcano erupting under a glacier.

Eleven percent of Iceland remains covered by glaciers. And although these titanic ice sheets recede every year, their tremendous power continues to change the landscape. Witness how the glaciers carve out fjords, valleys, and mountains, and lead to some of the world's most spectacular waterfalls.