Check out the Must Visit Places in Wales: Cardiff Located in the southeast corner of Wales, Cardiff became the country’s capital in 1955 and launched variety of projects to enhance the traditional port town shortly thereafter.. The 74,200-seat Millennium sports stadium and the futuristic Wales Millennium Centre for the arts have currently joined Cardiff Castle as the city’s star attractions. The 11th-century castle offers guests an excellent introduction to Welsh history, and a climb to the top of the keep offers beautiful views of the town and surrounding countryside. With its exhibits of Roman pottery and gold jewelry dating back to the Bronze Age, the National Museum Cardiff is also…