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The historic quarter of Colonia del Sacramento, founded in 1680, evokes old Lisbon with its Portuguese-influenced architecture and winding streets. The area, located in southwestern Uruguay on the Rio de la Plata, was named a UNESCO World Heritage site in 1995. It's an easy day trip by ferry from Buenos Aires, making the beaches a popular Argentinean escape. Major sights include Iglesia Matriz, the country's oldest church, the Municipal Museum and a 17th-century port jutting into the river.
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