15 of the world's most breathtaking highways

6. National Route 40 – Argentina

Whether you're taking a short stopover or a long road trip, National Route 40 is not to be missed when visiting Argentina. Connecting many UNESCO World Heritage Sites and nature reserves, a road trip on National Route 40 allows you to explore the different cultures of Argentina. The road trip also gives you the opportunity to see many historical monuments that are listed as UNESCO World Heritage Sites. The road passes through a dozen mountains, rivers and 20 national parks, making it feel like a never-ending journey.

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