Arecibo is a coastal municipality on the north coast of Puerto Rico, where the Atlantic Ocean meets the island’s northern karst region. It is known for a varied landscape of beaches, limestone hills, caves, sinkholes, forests, and rivers, including the Río Grande de Arecibo and Río Tanamá.

Cachi is a small mountain town in Argentina’s Salta Province, set in the northern Calchaquí Valleys at more than 2,000 meters above sea level. Its historic center has cobbled streets, raised sidewalks, adobe buildings, and a central square surrounded by traditional architecture. The town sits beneath the peaks of the Nevado de Cachi and among stands of tall cardon cacti, creating a distinctive highland landscape.

Wertheim is an enchanting town on the banks of the Main River in Germany. A favorite stop on European river cruises, highlights of this charming destination include the Wertheim Castle and the town center, where you can wind your way down cobblestone streets replete with 16th century architecture. Venture outside of town and follow the Tauber River to Kloster Bronnbach, an immense and ornate monastery dating back to the 12th century.

Hustai National Park is a protected grassland reserve in central Mongolia, located west of Ulaanbaatar in an area of rolling степpe, forested hills, and river valleys. The park is best known for the reintroduction of the Przewalski’s horse, known locally as takhi, a wild horse species that had disappeared from Mongolia before conservation programs returned it to the region.

Villahermosa, the capital of Tabasco, is a city where ancient civilizations, tropical landscapes, and modern life intersect. Known as the “gateway to the Mayan world,” the city sits on the banks of the Grijalva River and serves as a cultural hub for southeastern Mexico. One of its most unique attractions is Parque-Museo La Venta, an open-air museum that blends archaeology with a jungle setting.