Dotted with lighthouses along its shoreline, Portland, Maine is a coastal gem in the northeastern United States and a veritable paradise for lovers of fresh seafood, craft breweries, and small-town charm. At the center of downtown Portland, the Old Port neighborhood boasts a number of unique and historical buildings, trendy restaurants and bars, and picturesque views of the Portland Harbor.

Situated in the Parque Nacional Iguazú near Puerto Iguazú, these spectacular falls lie just east of the confluence of the Iguazu and Paraná rivers. At least 5000 cubic m of water per second plunge the 70m into the abyss below.

Krujë sits on a rocky hilltop above central Albania and has long been a symbol of the country’s history and independence. At Krujë Castle ancient stone walls rise above the town and offer striking views of the surrounding hills and valleys, and inside the fortress visitors find the Skanderbeg Museum, where armor, documents and displays recount the life and battles of Albania’s national hero.

Located on the north coast of Morocco near the Strait of Gibraltar, Tangier is a cultural capital replete with historic sites, colorful architecture, and splendid beaches. An essential stop is the Ancien Medina, a walled collection of winding streets and alleys filled with cafes and shops leading to the Kasbah, a former palace and mosque that also houses a museum.

Located on the southern coast of Finland at the delta of the Kymi river, the city of Kotka is a major Finnish sea port. Perhaps the best-known attraction of this multicultural and creative city is the country's largest urban maritime festival, an annual celebration that includes boating events, dance and music performances, and Finland's largest parade which marks the beginning of the city-wide event.