The Yangtze River, a magnificent artery of China, stretches over 6,300 kilometers (3,917 miles) from the Tibetan Plateau to the East China Sea. As the longest river in Asia and the third longest in the world, it weaves through breathtaking landscapes and vibrant cities, making it a prime destination for travelers seeking both adventure and cultural immersion.

Seoul, the capital of South Korea, is a city where history and modernity coexist. Ancient palaces like Gyeongbokgung and Changdeokgung stand amid skyscrapers and contemporary architecture, offering a glimpse into the country’s rich heritage. The city’s neighborhoods, from Insadong’s traditional streets to Gangnam’s sleek districts, showcase its cultural and economic diversity.

Khiva, located in western Uzbekistan’s Khorezm region, is one of Central Asia’s most evocative Silk Road cities. Its walled inner city, known as the Itchan Kala, has preserved a remarkable collection of mud-brick architecture, minarets, mosques, and madrasahs that reflect centuries of Islamic culture and trade. Khiva served as a thriving trading hub and political center, linking merchants and scholars across the desert routes of the region.

A lesser-known river port in the Mekong Delta, Sa Dec was once the capital of Dong Thap province of southern Vietnam. Today, it is best known for its flower gardens and authentic bustling market. The city is also famous as the setting for French writer Marguerite Duras' 1984 novel, The Lover, and its 1991 film adaptation of the same name.

This Northern Costa Rica city is known for its volcanoes (both active and inactive), the Catholic church Ermita de La Agonía, and the Museo del Sabanero.