In the heart of the Pacific Ocean lies the Marshall Islands, a picturesque paradise ... including the death-bringing Castle ...

On November 1, 1952, the US tested Ivy Mike over the Marshall Islands. Ivy Mike was the world's first hydrogen bomb and had a yield ... its place a 164-foot-deep crater. The explosion's mushroom ...

Part of the Marshall Islands ... as you went into the crater, it became black, because it’s so deep.” In between the ...