Tourism is a major economic activity in many countries. There are countries that heavily rely on tourism as their main economic activity owing to the fact that they do not have any other viable economic activity to undertake. Different regions of the world are blessed with natural physical attractions that attract tourist from around the world. While most are purely natural features, others were formed many decades ago as a result of earth movement. Still there are man-made tourist attractions designed in unique ways that also attract tourists.Among many tourist attraction centers available all over the globe, there are those attractions that have continued to attract millions of tourists year in year out. The numbers of tourists visiting such attractions are in millions annually.
