The Burj Khalifa, located in Dubai, UAE, is the tallest building in the world, standing at a whopping 828 meters tall. Construction started in 2004 and was completed in 2010 as part of the Downtown Dubai development. Designed to be a showstopper, it boasts a mix of residential spaces, hotels, parkland, and even an artificial lake. Originally named Burj Dubai, it was renamed in honor of Sheikh Khalifa bin Zayed Al Nahyan. This iconic structure is a symbol of Dubai's shift towards a service and tourism-based economy, attracting international attention and investment.