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)
Penobscot Building Penobscot Building The Greater Penobscot Building, commonly known as the Penobscot Building, is a class-A office tower in Downtown Detroit, Michigan. The 1928 Art Deco building is located in the heart of the Detroit Financial District. The Penobscot is a hub for the city's wireless Internet zone and fiber-optic network. Upon completion, the Penobscot Building was the eighth-tallest building in the world, the fourth-tallest in America and the tallest outside of New York and Chicago. Rising , the 47-story Penobscot was the tallest building in Michigan from its completion in 1928 until construction of the Renaissance Center hotel tower in