If you find yourself in Rotterdam, there's a strong chance you've arrived by water. This popular port city (the second largest in the Netherlands) has gone through an architectural renaissance since World War II, with daring, innovative structures dotting the city (cube houses!) and defining its skyline. Café culture is on the rise here, so grab yourself a table and a cup.

Ishigaki, the vibrant hub of the Yaeyama Islands in Japan, is a tropical paradise renowned for its stunning natural beauty and unique cultural heritage. As the largest island in the Yaeyama group, Ishigaki is celebrated for its breathtaking beaches and crystal-clear waters, such as the pristine Kabira Bay, famous for its turquoise hues and coral reefs.

Golubac is a gateway to the Iron Gates Gorge, a stretch of the Danube River that separates the Carpathian and Balkan mountains.

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.

Saint John is a culturally-rich seaport city on New Brunswick's Bay of Fundy. History and natural wonders combine to make this locale a hidden Canadian gem.