Colonia del Sacramento is where time lingers. Founded in 1680 by the Portuguese and later contested by the Spanish, the town’s past is etched into its cobblestone streets and weathered facades. The Barrio Histórico, a UNESCO World Heritage Site, is compact enough to walk in an afternoon yet layered with centuries of stories. Visitors can explore remnants of the original city walls and climb the iconic lighthouse for sweeping views of the Río de la Plata.

Aalborg is the fourth largest city in Denmark and constitutes a natural center for the North Jutland region. In addition Aalborg is Denmark's largest conference center, outside Copenhagen. Aalborg has many cultural attractions which appeal to a wide variety of tastes; a varied night-life and more than 300 restaurants, bars and clubs.

Tenby sits on the Pembrokeshire coast of southwest Wales, where medieval walls still encircle a compact town above the sea. Its history as a fortified port is visible in stone ramparts, narrow lanes, and the ruins of Tenby Castle, which overlook the harbor.

Formerly Mocamedes, this port in southwest Angola has become an important industrial center since a rail line was built in 1905 connecting it with the interior of Angola. In 1967 when iron ore was discovered in Dongo, an additional line was laid and the port was enlarged.

Bulgaria is a republic in southeastern Europe. The capital and largest city is Sofiya. Bulgarian culture has been influenced successively by Byzantine, Greek, Russian, and Western cultures.