Often referred to as the ‘lost city of the Incas’, Machu Picchu was constructed in the middle of the 15th century but was abandoned barely a century later in 1572.

On the 25th June 1876, the Battle of Little Bighorn began when American Lieutenant Colonel George Armstrong Custer led federal troops against the combined forces of the Lakota Sioux, Northern Cheyenne, and Arapaho Plains Indians.

They quickly began to construct a triangular fort containing a number of houses alongside a storehouse and a church, which they named James Fort after King James I.

The four-man crew boarded a Ford Trimotor airplane, and at 1am on 29 November reached the South Pole where they flew beyond and to the left and right in case of any navigational errors.