The longest straight staircase in the world is on the island of St. Helena — On the island of St. Helena, where the very living out his days Napoleon, is one of the steep staircases in the world. This long straight staircase was built back in 1829 and still serves as a true faith, residents and visitors of the island. It 699 steps, drop height of 200 meters. Has built its railway company to lift loads from the port of Jamestown.
