The One World Trade Center building is the remaining building in New York City, New York. It was rebuilt after the attacks of 9/11. It stands 1,792 ft tall from tip to base and weighs abo… See more

Pyramids are known to be constructed from impossibly heavy stones, and The Pyramid of Khufu in The Greater Cairo of Egypt tops the charts. Also known as The Pyramid of Giza, this b… See more

This building is used for the construction of rockets. It covers 8 acres and took 98,590 tons of steel to construct, making it one of the largest & heaviest buildings in the world. NAS… See more

Mosques are typically some of the largest structures around. The Great Mosque of Mecca can hold up to 4 million people at once and covers a staggering 99 acres of land! It is m… See more