Caldas de Reis is a small spa town in Galicia, Spain, located along the Umia River on the Portuguese route of the Camino de Santiago. It is known for its thermal waters, which have shaped the town’s identity and layout.

Considered a hub for the world’s information technology industry, India is a major player in the global economy, and its cosmopolitan cities, including Delhi and Mumbai, offer a mosaic of modern and historic architectural styles for locals and visitors alike to enjoy.

Selcuk, a small town in western Turkey’s İzmir Province, is one of the country’s richest destinations for history lovers. It sits at the foot of the ancient city of Ephesus, once one of the great cities of the classical world and home to the Temple of Artemis, one of the Seven Wonders of the Ancient World.

Listed on the National Register of Historic Places, Lahaina, Maui is the former capital of the Hawaiian Kingdom and was once the site of a whaling village. This popular tourist destination is now a cultural center perfect for fine dining, visiting Hawaiian art galleries, whale watching, and immersing yourself in this region's rich history.

Hot Springs, Arkansas has been drawing visitors for centuries, and it all starts with the water. The city sits atop a natural thermal spring system that produces nearly a million gallons of 143-degree water each day. These springs gave rise to Bathhouse Row, a stretch of eight historic bathhouses within Hot Springs National Park. Some, like the Fordyce Bathhouse, now serve as museums, while others still offer traditional thermal soaks.