History of the world's tallest buildings to be tall, but its true height is not known. For thousands of years, the Great Pyramid in Egypt was the tallest "structure" in the world, but the Great Pyramid is not considered a building since it is not habitable. The earliest structures now known to be the tallest in the world were the Egyptian pyramids, with the Great Pyramid of Giza, at an original height of , being the tallest man-made structure in the world for over 3,800 years, until the construction of Lincoln Cathedral in 1300. From then until the completion of the Washington Monument (capped in 1884)
Q1 (building) the taller. When the Q1 was completed it overtook the 21st Century Tower in Dubai, United Arab Emirates to become the world's tallest residential tower. It is in the top 50 tallest buildings in the world when measured to its structural point, dwarfing the Gold Coast skyline with the closest buildings to Q1's height being the North Tower of Circle on Cavill and the Soul building. Q1 Tower was designed by SDG & The Buchan Group, and its form was inspired by the Sydney 2000 Olympic torch and the Sydney Opera House. The name was given in honour of members