Serbia is a country where centuries-old monasteries sit just a short drive from lively cities, and where the past is never far from daily life. In Belgrade, the capital, Kalemegdan Fortress offers panoramic views where the Danube meets the Sava River. This fortress has witnessed more than 100 battles and been rebuilt many times over two millennia. Within its walls are Roman ruins, an open-air military museum, and quiet park paths perfect for wandering between centuries of layered history.

The Gulf of Oman is a region of diverse landscapes and rich history. Stretching between the coasts of Oman, the United Arab Emirates, and Iran, this gulf is lined with stunning shorelines, port cities, and hidden natural gems.

Hvar is a resort town and island off the coast of Croatia. A tourist destination with spectacular views of the Adriatic Sea, Hvar is popular for its beaches and is a favorite port for yacht cruises.

Montréal is a city shaped by layers of French and British history, with modern flair built into every corner. Founded in 1642 as Ville-Marie, it’s one of the oldest cities in North America. Visitors walking through Old Montréal will find cobblestone streets, 18th-century buildings, and landmarks like the Notre-Dame Basilica, known for its deep blue interior and grand organ with over 7,000 pipes.

The commercial and cultural center for the Ruhr region on the Rhine River, Duseldorff is also the site of the Felderhof Cave where Neanderthal man was found in 1856.