Colonia del Sacramento is where time lingers. Founded in 1680 by the Portuguese and later contested by the Spanish, the town’s past is etched into its cobblestone streets and weathered facades. The Barrio Histórico, a UNESCO World Heritage Site, is compact enough to walk in an afternoon yet layered with centuries of stories. Visitors can explore remnants of the original city walls and climb the iconic lighthouse for sweeping views of the Río de la Plata.

San Blas, Panama, known locally as Guna Yala, is a paradise of untouched beauty and indigenous culture, nestled along Panama's Caribbean coast. Comprising an archipelago of over 365 islands, San Blas offers a new adventure for every day of the year. Crystal-clear turquoise waters, pristine white sand beaches, and coral reefs teeming with marine life make it a haven for snorkeling, diving, and sailing enthusiasts.

Doubtful Fjord (Doubtful Sound) is a large fjord in southwestern New Zealand, in the same region as the smaller but better known Milford Sound. It is home to an unusually large population of bottlenose dolphins, as well as a variety of birds, fur seals, penguins, and often even humpback whales.

Padua, a hidden gem in Northern Italy’s Veneto region, is a city where medieval splendor meets a vibrant modern atmosphere. Known for its ancient university, founded in 1222, Padua is one of the oldest and most prestigious in the world, having nurtured the minds of great scholars like Galileo Galilei.

Glacier Bay’s untouched beauty will astound you. A National Park and Preserve, as well as a UNESCO World Heritage site, it is covered with stunning tidewater glaciers and a variety of native flora and fauna. Be on the lookout for the variety of eye-catching wildlife, including eagles, moose, and humpback whales, who have made Glacier Bay home.