Undiscovered Vistas

Chile: Stretching more than 600 miles, Chile's Atacama Desert is the world's driest non-polar region. From menacing volcanoes to resplendent flamingos, it is truly unique. (S1, ep 2)

Bolivia: The crowning jewel of Bolivia is the extraordinary Salar de Uyuni, a salt flat so white that it can be seen from space. But what else lies in the South American country? (S1, ep 3)

Bolivia: The crowning jewel of Bolivia is the extraordinary Salar de Uyuni, a salt flat so white that it can be seen from space. But what else lies in the South American country? (S1, ep 3)

Utah: Zion National Park is one of the world's most spectacular and unforgiving natural landscapes - a 100,000-square-mile labyrinth of deep canyons and intimidating walls. (S1, ep 4)

Utah: Zion National Park is one of the world's most spectacular and unforgiving natural landscapes - a 100,000-square-mile labyrinth of deep canyons and intimidating walls. (S1, ep 4)

Arizona: From sweeping canyons bound by towering cliffs, to fossilised dunes striped in desert red, Arizona's Paria Plateau is a true geological marvel. (S1, ep 5)

Arizona: From sweeping canyons bound by towering cliffs, to fossilised dunes striped in desert red, Arizona's Paria Plateau is a true geological marvel. (S1, ep 5)