Southeast Spain's seaport of Cartagena is a large naval base on the Mediterranean coast. The city was founded in 220 B.C. and boasts Roman ruins, mosaics and murals.

>Estonia, a hidden gem in Northern Europe, boasts a fascinating mix of medieval charm and modern vibrancy. The capital city, Tallinn, is renowned for its well-preserved medieval Old Town, a UNESCO World Heritage Site. Wander through the cobbled streets of the Old Town, where you’ll encounter stunning Gothic architecture, including the impressive Alexander Nevsky Cathedral and the Town Hall, with its ornate spire and charming square.

The Main River winds through the heart of Germany, offering a scenic journey through picturesque towns, rolling vineyards, and historic cities.

Perched on the northern coast of Spain, A Coruña (or La Coruña) is a captivating city with a rich maritime heritage and scenic beauty. Dominated by its iconic lighthouse, the Torre de Hércules, which is the oldest functioning lighthouse in the world, A Coruña offers a unique glimpse into ancient engineering.

Often called the Eternal City, Rome stands alone as Italy's most visited destination. The third most populated city in the European Union, Rome boasts ancient sites, yet has a modern flair — an exhilarating mix of the Old World and the new.