Did you know that the capital city with the highest elevation in the world is La Paz, the capital of Bolivia? It sits at an altitude of about 3,640 meters (11,942 feet) above sea level. Another interesting fact is that the only capital city located below sea level is Amsterdam, the capital of the Netherlands. Its average elevation is about 2 meters (6.6 feet) below sea level. Moving on to Africa, the capital city with the most populous metropolitan area is Cairo, the capital of Egypt. It is estimated that over 20 million people live in the greater Cairo area. In contrast, the least populous capital city in Africa is Maseru, the capital of Lesotho, with a population of around 330,000 people. In Asia, the capital city with the oldest continuously inhabited city is Damascus, the capital of Syria. It has been continuously inhabited for at least 11,000 years. On the other hand, the capital city with the most skyscrapers in the world is Hong Kong, the capital of Hong Kong Special Administrative Region of China. It has over 300 buildings that are taller than 150 meters (492 feet). These fascinating facts demonstrate the diversity of world capitals in terms of geography, population, and historical significance. Geography truly plays a crucial role in shaping the characteristics of capital cities around the globe.