One of the major rivers of the Iberian Peninsula, the Douro in north-central Spain and Portugal just might be the world's most beautiful wine region. Most of the river on the Spanish side isn't navigable, so river cruises generally travel roundtrip from Porto, on the coast of the Atlantic.

Shimizu, a picturesque port in Shizuoka City, offers stunning views of Mount Fuji on clear days. Shimizu is known for its rich maritime history, and a culinary highlight is its fresh seafood, particularly tuna. The port boasts the highest tuna catch in Japan, making it a prime destination for sushi fans.

Solitaire is a small settlement in central Namibia, positioned where routes from Windhoek, Walvis Bay, Sesriem, and the Namib-Naukluft region meet. Its isolated location among gravel plains, rocky hills, and dry river valleys makes it a practical stopping point on journeys through the Namib Desert.

The name is not an exaggeration. Here 100-foot high glaciers and precipitous mountains present an incomparable panorama, a riot of color in white, red, yellow and blue.

Londonderry, often called Derry, is a city steeped in history and charm, uniquely surrounded by remarkably well-preserved 17th-century walls. In fact, it holds the title of being the only completely walled city in all of Ireland. Strolling along these ancient ramparts offers visitors not only a glimpse into the past but also breathtaking panoramic views of the winding River Foyle and the lively streets below.