Located in the Gulf of Thailand, Koh Samui is an island off the coast of Thailand and a popular vacation destination for locals and tourists alike.

Coimbra, set along the banks of the Mondego River in central Portugal, is a historic city known for its academic legacy and old-world charm. Once the medieval capital of Portugal, it is home to the University of Coimbra, one of the oldest in Europe and a UNESCO World Heritage Site.

ABERDEEN -- Scotland's third-largest city (pop. 187,000) is characterized by buildings of beautiful white granite. Set beside the North Sea, Aberdeen is both a university town and the capital of the Scottish oil boom. It is also one of Scotland's largest seaside resorts (though its appeal is confined to those who like their water well-chilled).

Lake Atitlán, nestled in the Guatemalan Highlands, is a breathtaking destination that offers a unique blend of natural beauty, indigenous culture, and adventure. Formed in a massive volcanic crater, this lake is often touted as the most beautiful in the world, surrounded by dramatic cliffs, verdant hills, and three towering volcanoes: San Pedro, Tolimán, and Atitlán.

Aguas Calientes, officially called Machupicchu Pueblo, sits in a narrow valley below the ruins of Machu Picchu, shaped almost entirely by geography and access. The town grew around the railway and hot springs that give it its name, becoming a necessary stopping point rather than a destination planned in advance. Its identity is closely tied to movement, with most people arriving on foot or by train and staying briefly before heading uphill.