And then there's Uruguay — often-looked ... I recommend taking the ferry from Buenos Aires to Colonia del Sacramento, in the west, and moving east in an almost linear sweep so that destinations ...

Not to be missed, Colonia del Sacramento, Uruguay, is a charming 17th-century riverside town that is a former fortress and contraband port. Just 100 mi/160 km west of Montevideo, it's now a UNESC ...