Also known as the Principality Stadium. A 74,200-seater stadium, opened for the 1999 Rugby World Cup, and now host to the Wales national rugby and football teams. It hosted the FA Cup Final for some years during the redevelopment of Wembley Stadium in London and is still the largest stadium in Europe with a completely retractable roof (good for those rainy days). A must see for any sport lover, tours are available online or at the ticket desk. Tours cost A?12.50 for adults.