The world's tallest building is the Burj Khalifa, located in Dubai, United Arab Emirates. Standing at a height of 828 meters (2,717 feet), it was completed in 2010 and consists of 163 floors. The Burj Khalifa was designed by the architectural firm Skidmore, Owings & Merrill and showcases a unique design inspired by Islamic architecture. It features a mix of residential, commercial, and recreational spaces, including an observation deck on the 148th floor, which offers stunning views of the city and beyond. The structure has become an iconic symbol of modern engineering and design.