Mist, research stations, and penguins are just a few of the things that define the South Shetland Islands, an archipelago off the coast of Antarctica. These 11 Antarctic islands, most notably King George Island, have served as a base for researchers from Chile, Argentina, and a variety of other countries. The archipelago has also become a popular cruise destination for tourists to the Antarctic region.

Dominica, known as the “Nature Island of the Caribbean,” is a haven for eco-tourists and adventure seekers. Nestled between the French islands of Guadeloupe and Martinique, this lush island boasts a remarkable landscape of volcanic mountains, dense rainforests, and stunning waterfalls. Dominica’s most iconic natural wonder is the Boiling Lake, the second-largest hot spring in the world.

Saskatoon, set along the South Saskatchewan River in central Canada, is a city where prairie heritage meets a growing cultural scene. Known as the “City of Bridges” for the many spans that cross its winding river, Saskatoon combines natural charm with urban vibrancy.

Bergamo, in northern Italy’s Lombardy region, is a city of striking contrasts, divided into the historic upper town and the modern lower town. The upper town, perched on a hill and encircled by Venetian walls, offers cobblestone streets, medieval architecture, and panoramic views over the surrounding plains and the distant Alps.

Seven miles outside of historic Athens, the Greek coastal city of Piraeus lies upon the sparkling waters of the Aegean Sea and is the largest passenger port in Europe, servicing nearly 20 million passengers per year.