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.

Capri, a jewel of the Tyrrhenian Sea, has long been a favorite retreat for emperors, artists, and writers. This enchanting island off Italy's Amalfi Coast captivates with its dramatic cliffs, turquoise waters, and timeless elegance. The most iconic sight on Capri is the Blue Grotto, a sea cave illuminated by a magical blue light created by sunlight passing through an underwater cavity.

Most commonly reached via travel from Cusco, Ollantaytambo is an Incan archaeological site in the Sacred Valley of southern Peru. The town dates from the late 15th century and is home to some of the oldest continuously-occupied dwellings in South America.

Denmark is almost completely surrounded by water: the North Sea to the west and the Baltic Sea to the east. It is a quaint and friendly country whose residents take great pride in their Danish culture.

Djerba, an island off the southern coast of Tunisia, is known for its unique blend of Mediterranean charm and North African traditions. With its whitewashed villages, sandy beaches, and palm groves, the island has long been a place where cultures and histories intersect.