Once nicknamed the "Beef Depot Monument," the Washington Monument was the world's tallest structure when it was built, until it was unseated by which structure?
Answer Eiffel Tower
The Washington Monument stands 555 feet tall – quite a feat of engineering, considering no mortar was used to hold the marble together, only gravity and friction. Despite the Eiffel Tower unseating its title as the tallest structure in 1789, the Washington Monument is still the world's tallest free-standing masonry. Its nickname, the "Beef Depot Monument," was due to the site being used for government cattle.
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