The super-volcano beneath Yellowstone National Park in Wyoming has been rising at a record rate since 2004 Read more: http://www.dailymail.co.uk/scie

Area of outstanding natural beauty: The Yellowstone caldera (circled in red) in Wyoming is the world's largest super-volcano

Read more: http://www.dailymail.co.uk/sciencetech/article-1350123/Worlds-largest-volcano-Yellowstone-National-Park-wipe-thirds-US.html#ixzz1C6A5SBW8