As of now, the tallest building in the world is the Burj Khalifa, located in Dubai, United Arab Emirates. Standing at a staggering height of 828 meters (2,717 feet) with 163 floors, it has held the title since its completion in 2010. Designed by architect Adrian Smith of Skidmore, Owings & Merrill, the Burj Khalifa is notable for its unique design inspired by Islamic architecture. It features observation decks that attract millions of visitors each year, offering breathtaking views of the city and beyond. The building represents Dubai's rapid growth and ambition, symbolizing modern architectural achievement and luxury.