This 2,000-year-old city, where the Teutonic Order founded one of its first commanderies in the 13th century, lies on the convergence of the Moselle and Rhine Rivers.

Guayaquil, Ecuador, is a vibrant port city and a frequent starting point for cruises to the Galapagos Islands.

Visitors to this breathtaking and romantic Cyclades archipelago will gaze at the whitewashed cubiform houses sitting cliffside and hovering over the water.

This beautiful holy city is a spiritual lightning rod and sacred to Jews, Muslims and Christians all over the world. Although Jerusalem is known primarily for its religious history, the city is also home to many artistic and cultural venues.

Istanbul, previously known as Byzantium and Constantinople, is where East meets West. Situated on both sides of the narrow strait Bosporus, Istanbul is a connector between Europe and Asia.