Malaysia Airlines Flight 17

On July 17th, 2014, Malaysia Airlines Flight 17 from Amsterdam to Kuala Lumpur was shot down near the Ukraine-Russian border, killing all 283 passengers and 15 crew members on board. An outstanding controversy remains over who actually shot the plane down, but the victims still remain. This selfie was posted before takeoff by a 15-year-old Dutch boy and his mother.

Everest Explorers George Mallory and Sandy Irvine

These two explorers George Mallory and Sandy Irvine attempted to make the first assent of the world’s tallest mountain, Mount Everest, in 1924. The explorers did not survive their attempt and were last seen on the North Ridge. This is the last photograph taken of them during an assent that would not ultimately be achieved until 1953.