Hiroshima - The 6 August 1945 nuclear explosion was almost directly above this building and was the closest structure to withstand the explosion. The building has been preserved in the same state as immediately after the bombing, and now serves as the reminder of nuclear devastation and as a symbol of hope for world peace and elimination of all nuclear weapons.wikipedia

The atomic bomb dome at the Peace Park in Hiroshima. Quote from a Wikipedia article: "After the nuclear attack, Hiroshima was rebuilt as a 'peace memorial city', and the closest surviving building to the location of the bomb's detonation was designated the 'Atomic Bomb Dome,' a part of the Hiroshima Peace Memorial Park."