Moving images projected inside these Domes taught trainees how to shoot down enemy aircraft, long before digital virtual reality was invented
Cher Ami – WW1 homing pigeon saved 194 men by continuing her flight after losing a leg, an eye and having been shot through the chest
Blackhouses of Scotland and Ireland: One of the most primitive forms of the North Atlantic longhouse tradition
Collegium Maius: The oldest university building in Poland dating back to the 15th century which holds historic science instruments including some used by Copernicus
During the American Civil War, Gatling Gun salesmen went directly to battlefield in order to demonstrate the products in actual combat
Built around 3200 BC, Newgrange is a stone-made Neolithic monument in Ireland, known as a passage-grave