Volcanoes are one of the most incredible natural phenomena on Earth. But under the extreme conditions of our neighbouring planets, these imposing giants take on strange and gargantuan forms, creating dramatic vistas like nothing we've seen before. With the help of state-of-the-art CGI and the latest scientific imagery, take a tour of breathtaking beauty. Travel to Mars to visit a volcano nearly three times taller than Everest; view the recently discovered ice volcanoes of Pluto; and watch as the enormous gravity of Jupiter rips apart its moon Io, creating striking blue plumes over 500 kilometres high.