Standing at the base of the Great Pyramid, it is hard to imagine that this monument—which remained the tallest building in the world until early in this century—was built in just under 30 years.

A humongous 1,957-feet-tall skycraper is thought to be the tallest abandoned building in the world. Construction began on Goldin Finance 117, in the business district of Tianjin in the country's ...

NASA astronaut Don Pettit, currently aboard the International Space Station, captured an incredible view of the world's tallest building, Burj Khalifa. Have you ever wondered how the world’s ...