The Lighthouse of Alexandria, sometimes called the Pharos of Alexandria was a lofty tower built by the Ptolemaic Kingdom between 280 and 247 BC and between 393 and 450 ft (120 and 140 m) tall, it was one of the tallest man-made structures on Earth for many centuries, and was regarded as one of the Seven Wonders of the Ancient World. (albion-prints, 2013)
Victoria Falls is one of the Seven Natural Wonders of the World. Statistically speaking, it is the largest waterfall in the world. This recognition comes from combining the height and width together to create the largest single sheet of flowing water.