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.

Whether exploring volcanic trails or relaxing in seaside hot springs, Hachijo Jima provides an unforgettable island experience that feels worlds away from Japan’s major cities.

Novi Sad, Serbia’s second-largest city, sits along the banks of the Danube River and has long served as a cultural meeting point in the Balkans. Its centerpiece is Petrovaradin Fortress, a massive 18th-century stronghold nicknamed the "Gibraltar on the Danube." The fortress is known not just for its historic architecture but also for its network of underground tunnels and the iconic clock tower where the hands are reversed, meaning the large hand shows the hour.

Gaze in awe at the majestic beauty of Icelandic fjords in Isafjordur, a small and remote fishing village on the coast of Iceland.

Děčín, a picturesque city in the Czech Republic, is nestled on the banks of the Elbe River and surrounded by lush landscapes and dramatic rock formations. This charming destination is renowned for its rich history and stunning natural beauty. The centerpiece of Děčín’s architectural heritage is the Děčín Castle, which towers above the city and offers breathtaking views of the Elbe Valley.