Mljet National Park sits on the western side of Mljet Island in Croatia’s Adriatic Sea, a place where saltwater lakes meet ancient forest pathways. The park stretches across nearly one-third of the island, with Veliko Jezero (Great Lake) and Malo Jezero (Small Lake) as their most striking features. These two saltwater lakes are connected by a narrow channel to the open sea, creating calm blue waters that draw visitors for swims, casual kayak outings, or peaceful cycles around the shaded paths.

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.

Hwange National Park, located in western Zimbabwe, is the country’s largest protected area and one of Africa’s premier wildlife reserves. Covering more than 14,600 square kilometers, it is renowned for its extraordinary diversity of animals and habitats.

Graz, Austria's second-largest city, is a hidden gem that offers a perfect blend of history, culture, and modernity. Its well-preserved medieval old town, a UNESCO World Heritage Site, invites visitors to stroll through cobblestone streets lined with Renaissance courtyards and Baroque façades. At the heart of the city is the Schlossberg, a forested hill crowned by the iconic clock tower, Uhrturm.

Yucatán, a Mexican state, is popular for its Gulf of Mexico beach areas and spectacular Mayan ruins. It is bordered by the states of Campeche and Quintana Roo.