Panoramic view of Vltava river and Charles bridge in Prague, capital of the Czech republicHistorical medieval astronomical clock in Old Town Square in Prague, Czech RepublicKarlstein, Czech Republic - May 26, 2016: Karlstein Castle is a large Gothic castle founded in 1348 by King Charles IV, Holy Roman Emperor and King of Bohemia.29b1200px-Slavkov_u_Brna_-_Castle