The remote HAARP facility in Alaska has 180 antennas that are used to study the ionosphere. Courtesy of Christopher Fallen hide caption

itoggle caption Courtesy of Christopher Fallen

A minke whale photographed in Antarctica last year. The minke, smallest of the baleen whales, turned out to be the mysterious "bio-duck." Tony Beck/Barcroft Media/Barcroft Media/Landov hide caption

itoggle caption Tony Beck/Barcroft Media/Barcroft Media/Landov