The Eiffel Tower has been ranked by researchers as Europe's most expensive monument, worth an estimated $546 billion. The 123 year old tower is almost five times more "valuable" than the next monument, the $114 billion Colosseum, the Daily Mail reports.
"Research commissioned by Italy's Monza and Brianza Chamber of Commerce considered monuments' image, branding and aesthetic qualities to determine a monetary value," the Mail wrote.
Other ranked monuments include The Colosseum, the unfinished Sagrada Familia, the Duomo in Milan and the Tower of London
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