Ayutthaya, located about 80 kilometers north of Bangkok, Thailand, was the capital of the Ayutthaya Kingdom from the 14th to the 18th century. Its ruins, set among rivers and canals, reveal a once-thriving city that was a hub of trade, politics, and culture, linking Southeast Asia with China, India, and Europe.

The United Arab Emirates rolls history and invention into a seamless experience. In Abu Dhabi, the Sheikh Zayed Grand Mosque stands out with its reflective pools, marble columns inlaid with floral patterns, and the world’s largest hand-knotted carpet beneath domes that glow by night. On Saadiyat Island, the Louvre Abu Dhabi shelters art that spans civilizations, all beneath a dome designed to scatter sunlight like palm fronds.

Cagliari is Sardinia's capital and largest city. Several civilizations have left their imprint here architecturally and culturally. Must-sees include the Museo Archeologico Nazionale di Cagliari, with its Roman and Byzantine treasures, as well as Castello, a medieval quarter situated on a hill above the city. The city is also known for its food and vibrant nightlife.

Opatija, located on Croatia’s Kvarner Bay, has been drawing visitors since the 19th century, when Austro-Hungarian aristocrats built grand villas along its Adriatic shoreline. Today, many of those same buildings still stand with some restored as luxury hotels and others preserved as cultural landmarks. The town’s most recognizable structure, Villa Angiolina, opened in 1844 and marked the start of Opatija’s rise as a fashionable seaside resort.

Parma, in Italy’s Emilia-Romagna region, is a city where art, history, and gastronomy intertwine. Known worldwide as the birthplace of Parmesan cheese and Parma ham, the city has long been a culinary capital, but its cultural depth extends far beyond the table.