Mauritania, stretching between the Atlantic Ocean and the Sahara Desert, offers travelers a journey through wide-open landscapes and centuries of history. Its terrain is marked by shifting sand dunes, ancient caravan towns, and stretches of untouched coastline.

Antigua, Guatemala's prized colonial monument, is just an hour from Guatemala City, and a pleasant alternative to staying in the capital. Good walking shoes are needed for its cobblestone streets. The most spectacular time to visit is Holy Week, when processions walk on handmade sawdust carpets with beautiful floral and geometric designs.

On coastal Iceland, the globe's northernmost capital, Reykjavík, invites visitors to discover its unique charms. Iceland is rife with natural wonders: geysers, geothermic spas, waterfalls and the spectacular Northern Lights. Reykjavik, dating back to 870 AD, offers world-class museums, restaurants, shopping and nightlife.

Motril, Spain, is located near the Guadalfeo River on the Mediterranean coast in the province of Granada. Sugar cane refineries form the backbone of Motril's economy, though tourism is also an essential industry.

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.