ABERDEEN -- Scotland's third-largest city (pop. 187,000) is characterized by buildings of beautiful white granite. Set beside the North Sea, Aberdeen is both a university town and the capital of the Scottish oil boom. It is also one of Scotland's largest seaside resorts (though its appeal is confined to those who like their water well-chilled).

Whether cruising along its waters, exploring historic towns, or simply soaking in the scenic views, the Rhine River offers an experience that is as diverse as the countries it passes through.

Nestled on the southern coast of Crete, Loutro is a hidden gem that offers a serene and picturesque escape from the hustle and bustle of modern life. Accessible only by boat or foot, this charming village is renowned for its pristine waters and unspoiled natural beauty. The whitewashed buildings, which reflect the sun's rays, create a striking contrast against the deep blue of the Mediterranean Sea.

Puerto Princesa, the capital of Palawan in the Philippines, is often seen as the gateway to some of the country’s most remarkable natural landscapes.

Luxembourg, a small yet influential country in the heart of Europe, offers visitors a rich blend of historic sites and contemporary culture. The capital city, Luxembourg City, is famous for its dramatic cliffs and ancient fortifications that have earned it a UNESCO World Heritage status. Walking through the old quarters, visitors can explore the casemates that reveal layers of the city’s military past.