Architect Norman Foster’s Viaduc de Millau is the tallest bridge in the world, with the summit of its highest mast towering 1,125 ft above the base – making it the tallest structure in all of France. A cable-stayed bridge – meaning cables attached to pylons support the roadway – it spans the valley of the River Tam for one and a half miles along a road deck 900 ft above the ground. Ranked as one of the great engineering achievements of all time, it’s exhilarating to drive across. And yet the true magnitude of the achievement only becomes clear at a distance: joining two massive geological plateaus together.
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