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.

Muara is a small coastal town in Brunei, positioned where the Brunei River meets the South China Sea.

Mayo, located in the west of Ireland, is a region that encapsulates the natural beauty and historical depth of the Emerald Isle. Dominated by rugged landscapes and rolling hills, Mayo is a haven for those who love the great outdoors. The Croagh Patrick, Ireland's holy mountain, stands as a prominent feature, drawing pilgrims and hikers alike to its challenging ascent and breathtaking views.

Nouakchott, the capital of Mauritania, is a city that blends the desert’s quiet rhythms with the daily life of a growing urban center. Its coastal setting, unique cultural traditions, and access to the desert make Nouakchott both an introduction to Mauritania and a gateway to exploring the country further.

Great Smoky Mountains National Park stretches across the border of Tennessee and North Carolina, protecting a broad section of the southern Appalachian Mountains. The park is known for forested ridges, mist-covered peaks, clear streams, and an exceptional variety of plant and animal life. Its landscape changes with elevation, from rich hardwood forests in the valleys to spruce-fir forests near the highest summits.