The tallest man-made structure in the world (in 2014) is Dubai’s Burj Khalifa. It stands 2,716 feet tall, cost $1.5 billion, and could not exist without its (very expensive) advanced technologies. Above, CNN Money explores the building’s condensation collection system, earthquake resistant technologies, cooling solutions, and power-generating elevators. Not discussed: the lack of a municipal sewage system to handle up to 15 tons of wastewater and 7 tons of poop per day!
In the archives, the tallest structure in the world from 1930 to 1931: New York City’s Chrysler Building.