Answer:THE LIGHTHOUSE AT THE CAPE POINT.
Explanation:The lighthouse at the Cape point has a range of 63km,it is the MOST POWERFUL STRUCTURE, the cape point is usually called by the People as a CAPE OF GOOD HOPE.
Bartolomeu Dias,is the Portuguese explorer who discovered the cape point in the 15th century.
light flashes a beam with a 10million candle power three(3) times every 30seconds,it is open to Tourists planning to visit it, walk paths were developed to enable Tourist climbed up to the see it.