#18: Argentina, Brazil, and Paraguay
The Iguazu and Parana rivers frame the Triple Frontier, a stunning meeting point for Argentina, Brazil, and Paraguay. While the waters beckon adventurers for a thrill, crossing them might be daring but not advised.
Echoing the amicable ties of Sweden’s borders, the nations of Argentina, Brazil, and Paraguay share harmonious relations. This camaraderie likely makes the idea of rowing across to each other an enticing yet effortless venture.