Heidelberg, located along the scenic banks of the Neckar River in southwestern Germany, is a city steeped in history, culture, and charm. Known for its prestigious university, which is one of the oldest in Europe, the city draws visitors with its picturesque old town, medieval architecture, and vibrant academic atmosphere.

Tortuguero, located on Costa Rica’s remote northern Caribbean coast, is a destination unlike any other in the country. Accessible only by boat or small aircraft, this coastal village sits between the Caribbean Sea and a network of freshwater canals. Its name, meaning "place of turtles," comes from the thousands of sea turtles that arrive annually to lay their eggs on its beaches, including green, leatherback, and hawksbill turtles.

Valparaíso, Chile, is a city that beckons travelers with its vibrant street art, steep hillsides, and bohemian spirit. Known as the "Jewel of the Pacific," Valparaíso's historical importance as a major port during the 19th century has left an indelible mark on its architecture and culture.

Located on Ecuador's central coast, Manta is a port city frequented by many South American cruises. Manta is known for its delectable seafood and variety of pleasant beaches.

Madagascar, the world’s fourth-largest island, lies off the southeastern coast of Africa and is renowned for its extraordinary biodiversity and unique landscapes. Its rainforests, spiny deserts, and highland plateaus provide habitats for species found nowhere else on Earth.