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.

Whether exploring ancient ruins or strolling through its modern city center, visitors will find plenty to discover in Nijmegen, the oldest city in the Netherlands.

Situated on the coast of Tuscany near the Tyrrhenian Sea, Livorno, Italy, is a popular stop on Mediterranean cruises and an important commercial and industrial port. It was founded on a former auxiliary Pisan port between the late 16th and early 17th centuries on the orders of the Grand Duke Cosimo I, who made it Tuscany's main outlet to the sea.

On the Nile's east bank sits Luxor, a onetime stronghold for Egyptian pharaohs. Key sites include Luxor Temple, Karnak Temple, and the Valley of the Kings.

Nestled in the foothills of the Eastern Alps, Salzburg, Austria, exudes a timeless charm that combines Baroque splendor, musical heritage, and breathtaking natural beauty. The city is famously known as the birthplace of Wolfgang Amadeus Mozart, one of the world's greatest composers. Visitors can immerse themselves in the life and works of Mozart by visiting his birthplace, now a museum, on Getreidegasse, a picturesque street lined with wrought-iron signs and colorful facades.