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Bridge in Bratislava

Image by Carlos Amarillo Shutterstock

The sci-fi stylings of 'UFO bridge' came at a heavy cost for Bratislava. Period mansions and an old synagogue were sacrificed for the construction of the highway and bridge in 1972, so the sight of this modernist marvel with a flying saucer on top is bittersweet for locals. Nonetheless, the bridge's pedestrian walkway is a futuristic route across the Danube River, and there's a (pricey) viewing platform with a bird's-eye panorama.