Bikini Atoll Nuclear Test: Underwater Detonation of 23 kiloton Nuclear Weapon, 1946

This detonation, known as the Baker Test, was part of Operation Crossroads in Bikini Atoll in the Pacific. The purpose of the tests was to investigate the effect of nuclear weapons on warships. The Crossroads tests were the first of many nuclear tests h…

The First Photograph upon Discovery of Machu Picchu, 1911

In the summer of 1911, the American archaeologist Hiram Bingham arrived in Peru with a small team of explorers hoping to find Vilcabamba, the last Inca stronghold to fall to the Spanish. Traveling on foot and by mule, Bingham and his team made their way…