13. Aqueduct Pont du Gard
Place of origin: Gard, France
Founded in 100 A.D.
Price: $7.5 million* The Pont du Gard was actually built in the first century A.D., so that period is accurate. Built between 40 and 60 A.D. over the course of twenty years, the project cost 30 million sesterces, or roughly $7.5 million in today’s currency (though that estimate is quite rough). Water was intended to be carried across the Gardon River by the Pont du Gard.
Aqueduct Pont du Gard ©Shutterstock/Kavram
It supplied water to the ancient Roman colony of Nemausus (Nimes). Among all the Roman aqueduct bridges from antiquity, it is the highest and best maintained. Constructed from shelly limestone, UNESCO placed it on its World Heritage Sites list in 1985, recognizing its great historical significance.
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