Coursing through 10 countries, the Danube is the second-longest river in Europe. This waterway, lined with fortresses and castles, rises in Germany's Black Forest and runs for 1,770 miles to the Black Sea. The Danube is an essential commercial thoroughfare for central and southeastern Europe, and several river cruise companies sail vessels on it year-round. Destinations along this river include Vienna, Budapest, Passau and Bratislava.

Roseau, the lively capital of Dominica, is a city where history and nature coexist in striking harmony. Established on the site of an ancient Kalinago settlement, the town reflects its colonial past through French-inspired architecture, colorful buildings, and historic churches.

Ballachulish is a small village in the Scottish Highlands, set at the mouth of the River Laroch beside the narrow waters of Loch Leven. The surrounding landscape includes steep mountains, wooded slopes, rocky shorelines, and the broad valley of nearby Glencoe. The village is divided into several settlements, including North Ballachulish, South Ballachulish, and Ballachulish itself, giving the area a distinctive layout shaped by the loch.

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.

Fatehpur Sikri is a historic city in Uttar Pradesh, located near Agra and known for its grand red sandstone architecture and carefully planned urban layout. Built around a ridge, the former imperial city contains palaces, courtyards, audience halls, religious buildings, and gateways arranged within a fortified complex. Its architecture combines Islamic, Hindu, Jain, and regional design elements, reflecting the cultural setting of the Mughal court.

Yantai is on the coast of the Bohai Sea and one of the most picturesque small cities in China. Visit Penglai Pavilion, said to be where the 8 Taoist Immortals flew across the sea or view the city from the 14th-century Yuhuang Hill Temple where the abundant rose-colored buildings and orange-tiled roofs of the town are nestled between the sea and the gentle hills.