In 1912, a tailor named Franz Reichelt jumped from the first deck of the Eiffel Tower, testing his invention, the coat parachute. He was killed trying it out. It was his first ever attempt. Perhaps Reichelt unknowingly, though, also invented a daring sport we call B.A.S.E. jumping, where participants jump from fixed objects like buildings, antennas, spans and earth, getting your b-a-s-e.