Hello how may I help you? What is the tallest building in the world? The Burj Khalifa is the tallest building in the world. What is the world record for the largest pizza ever made? The largest pizza ever made weighed roughly 26,883 pounds What is the record for the tallest man that has ever lived? That would be Robert Wadlow How tall was he? 8 feet and 11 inches tall Thank you! Have a nice day