The worlds tallest building the Burj Khalifa in Dubai is always popular among tourists and common people. It is of a height of 828 meters (2717 feet) and no other building in the world is comparable to it. However the worlds second tallest building is no where less than Burj Khalifa though its height is very less but it still has unique features as compared with the world’s tallest building. 1. Burj Khalifa - Dubai UAE The Burj Khalifa completed in 2010 is an icon of Dubai. It has a height of 828 meters (2717 feet). It used 330000 cubic meters of concrete and 55000 tons of steel in its construction. 2. Merdeka 118 Kuala Lumpur Malaysia In second place is the Merdeka 118 in Kuala Lumpur Malaysia. It has height of 679 meters (2227 feet).‘Merdeka’ means ‘freedom’ in Malay and ‘118’ is the number of floors in the building. Its used for different purposes like houses and offices residential flats luxury hotels shops and more. 3. Shanghai Tower - Shanghai China China’s tallest building the Shanghai Tower is the third tallest building in the world. It is 632 meters (2073 feet) in height. It is located in Lujiazui Pudong it has 128 floors.The J Hotel located on its 120th floor is the famous in the world. 4. Makkah Royal Clock Tower Mecca Saudi Arabia In fourth place the Makkah Royal Clock Tower located near the Kaaba in Mecca. It has a height of 601 meters (1972 feet) and is famous for its world’s largest clock face.