To visit Barcelona is to embrace both the past and the future. There is much to do and see in this cosmopolitan capital of Catalonia, from medieval structures to beaches to UNESCO Heritage Sites by Antoni Gaudí and Lluís Doménech i Montaner.

Tan Chau, located in the Mekong Delta region of Vietnam, is most well-known for its exclusive silk production, using local materials such as dyes made from the mac nua (Diospyros mollis) fruit.

Cuernavaca, often called the “City of Eternal Spring,” has long been a retreat for those seeking warm weather and relaxing surroundings just 90 minutes from Mexico City. With a history that stretches back to the Aztec empire, the city is layered with centuries of cultural change. The historic center of Cuernavaca combines architecture from multiple eras, with narrow streets leading to quiet plazas and colonial churches.

Originating as a tiny fishing village in 1038, modern Kehl has become an important link between Germany and France. Rhine River cruises most often use Kehl as their gateway to the much larger and better-known Strasbourg. The savvy traveler, though, might choose to skip the jaunt across the river and enjoy many similar sights, shopping and cuisine as those offered in the teeming French city.

>Estonia, a hidden gem in Northern Europe, boasts a fascinating mix of medieval charm and modern vibrancy. The capital city, Tallinn, is renowned for its well-preserved medieval Old Town, a UNESCO World Heritage Site. Wander through the cobbled streets of the Old Town, where you’ll encounter stunning Gothic architecture, including the impressive Alexander Nevsky Cathedral and the Town Hall, with its ornate spire and charming square.