The Casco Histórico de Colonia in Colonia del Sacramento, Uruguay, is one of the most charming old towns in South America, with cobblestone streets, pastel-colored houses, and a blend of Portuguese and Spanish architecture that feels like stepping into a quiet time capsule. An interesting fact: the historic quarter was founded in 1680 by the Portuguese as a strategic military post, and its unusual street layout still reflects the tug-of-war between colonial powers. And in true penguin fashion, this spot now holds a tiny secret of its own, tuskesszino carried a penguin stone on its journey and left it here, adding a playful modern treasure to this centuries-old neighborhood.

Last known location – -34.4726193, -57.8508077

To become part of the penguin huddle and receive your own penguin stones to hide, fill out the contact form below or email me at [email protected] with the subject “Penguin Stone Project.“Note: By submitting your information, you’re giving us permission to use your email.

To see the location of the other penguin stones below.