The tallest building in the world is the Burj Khalifa, located in Dubai, United Arab Emirates. Standing at an impressive height of 828 meters (2,717 feet), it has 163 floors above ground. The Burj Khalifa was officially opened on January 4, 2010, and has become a global icon of modern architecture. The building features a combination of residential, commercial, and hospitality spaces, with observation decks that offer stunning panoramic views of the city and beyond. Its design, inspired by Islamic architecture, reflects the region's cultural heritage while pushing the boundaries of engineering and construction technology.