Jacqueline from Winnemucca, Nevada Colonia del Sacramento, the oldest settlement in the country.  The town was originally set up in 1680 as a strategic Portuguese posting, along the Rio de la Plata, to resist the Spanish Crown’s sovereignty of the southern cone.  However, after a hundred years of conflict and dispute, the Portuguese relinquished their control of the colony. Today, Colonia del Sacramento’s well-preserved colonial district blends its Iberian heritage with new architectural trends. The city…