Pamukkale is a fairyland of dazzling white, petrified castles. It is a magical and spectacular natural site, unique in the world. Thermal spring waters laden with calcareous salts running off the plateau's edge, have created this fantastic formation of stalactites, cataracts and basins.

Huangshan, also known as the Yellow Mountains, is one of China’s most iconic and culturally significant mountain landscapes.

Stretching over 4,200 kilometers along the southwestern coast of South America, Chile is a country of dramatic contrasts and hidden surprises. From the world’s driest desert in the north to the icy fjords of Patagonia in the south, Chile offers a landscape that constantly reinvents itself. Visitors can walk through the Atacama Desert, where NASA tests Mars rovers, or gaze at the clearest night skies on Earth from the high-altitude observatories near San Pedro de Atacama.

To visit Barcelona is to embrace both the past and the future. There is much to do and see in this cosmopolitan capital of Catalonia, from medieval structures to beaches to UNESCO Heritage Sites by Antoni Gaudí and Lluís Doménech i Montaner.

The city of Oporto is situated on the right bank of the River Douro, being the second largest city of the country. Oporto is the regional capital of the northern area.