Caminha sits at Portugal’s northern edge, where the Minho River meets the Atlantic and marks the border with Spain. Its history is closely tied to defense and trade, visible in remnants of medieval walls and a compact historic center that once guarded the river mouth.

Sweden is a country where medieval towns, coastal archipelagos, and expansive forests sit side by side with modern design and a strong cultural identity. Stockholm, the capital, is built across 14 islands connected by bridges and ferries. The historic district of Gamla Stan features narrow, cobbled streets and colorful buildings dating back to the 13th century.

Farther from a continental landfall than any other group of islands on earth, the twelve Marquesas jut out of the open Pacific just south of the equator, shrouded in a constant cloud cover.

The Sacred Valley, located in the Andes and divided by Urubamba River, was part of the larger Inca Empire, along with Machu Picchu and the closeby town of Cusco. Tourists will see green agricultural landscapes and Spanish hamlets like Ollantaytambo and Pisac, the latter featuring a Sunday market.

Kanchanaburi, a province in western Thailand, is best known for its poignant history and lush landscapes. It was here that Allied prisoners of war and Asian laborers were forced to build the infamous Death Railway during World War II, including the Bridge over the River Kwai, which remains a powerful symbol of resilience.