Must-SeeRhine Valley
Rhineland-Palatinate
About 80 miles away
Castles and vineyards on the classic river cruise.
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A great stone arch over the Pétrusse valley, once the largest in the world, with a cycle deck hung beneath it.
When it opened in 1903, its 85-meter span was the largest stone arch in the world. A suspended deck for bicycles and walkers was added under the roadway in 2018, and the gardens of the Pétrusse valley lie below.
Must-SeeCastles and vineyards on the classic river cruise.
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