Brno, the vibrant heart of the Czech Republic's Moravian region, offers a captivating blend of historical charm and modern dynamism. As the second-largest city in the country, Brno is known for its striking architecture, including the Špilberk Castle, which overlooks the city from its hilltop perch. Originally a medieval fortress, Špilberk Castle has evolved into a cultural and historical museum, showcasing exhibits on the city’s rich past and providing panoramic views of Brno.

Portland, Oregon, is a city where natural beauty and urban innovation coexist harmoniously. Nestled between the Columbia and Willamette Rivers and framed by volcanic mountains, Portland offers an array of outdoor adventures alongside its renowned cultural scene. Visitors can explore the lush expanses of Forest Park, one of the largest urban forests in the U.S., or take a leisurely stroll through the Portland Japanese Garden, which showcases exquisite traditional Japanese landscape design.

Beijing, the capital of China, is a city where history and modern life intersect on a grand scale. Ancient landmarks like the Forbidden City, Tiananmen Square, and the Temple of Heaven reflect centuries of imperial heritage, while the Great Wall lies just outside the city, offering views of one of the most famous engineering feats in the world.

As the second largest city in Serbia, Novi Sad is not only an important industrial and financial center, but a vibrant, friendly destination with a liberal vibe and plenty of attractions for visitors. Novi Sad is also the home of EXIT festival, one of the best annual music events in Europe.

Portimao is a port city on the southern coast of Portugal and offers easy access to some of the country's best beaches.