Undiscovered Vistas

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)

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)

See the beautiful Bahamas as never before, from giant pine forests to underwater caves that house green turtles and rock iguanas. (S1, ep 6)

Explore the awe-inspiring beauty of Gros Morne National Park, a 1,100-mile expanse located on the western coast of Canada's Newfoundland. (S1, ep 1)

In a truly unique experience, discover the stunning vistas of the Niagara Escarpment. Here, the views are only matched by the rich First Nations lore. (S1, ep 8) Also in UHD.

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)

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)

North of the world's largest freshwater lake lies some of the world's fiercest terrain, including the rugged ancient landscape of the Canadian Shield. (S1, ep 7)