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The natural world is full of marvels: from the highest mountains to the deepest lakes on earth
. In this 6 x 1 hour series we take a look at the most iconic natural wonders on the planet . The world's greatest mountains, rivers
, lakes, forests, volcanoes, caves, waterfalls and more...From Africa's great Savannah Lands to the active volcano on Tanna; from Mt Everest to the Great Barrier Reef; from Croatia's lush forests and jaw-dropping waterfalls to America's iconic Grand Canyon
, this series is set to inspire nature lovers the world over.