Islands of Moving Mountains
From Tardis Wiki, the free Doctor Who reference
The Islands of Moving Mountains were islands located on the planet Skaro. When the surviving Thals were forced to relocated after a great explosion devastated the continent of Darren, the crossed through the Islands of Moving Mountains and during a years-long journey to the continent Davius. They ultimately travelled almost to the River of Whirling Waters, where they settled and lived as farmers for many generations. (PROSE: The Secret Lives of Monsters)