Cluj-Napoca in 3 days: the Unirii Square (St. Michael's Gothic Church (1349–1487, tallest church in Romania) + equestrian statue of Matthias Corvinus (the Renaissance king, born in Cluj 1443)), the Salina Turda underground salt mine (the most spectacular underground space in Eastern Europe: Ferris wheel + rowing boats + salt cathedral 130m below ground), the Fabrica creative and live music hub, the Bánffy Castle ("Transylvanian Versailles", Electric Castle festival venue), the Apuseni Mountains karst landscape (Scărișoara Ice Cave), Transylvanian Saxon fortified churches, sarmale + mămăligă + tochitura farewell dinner and Cetățuie Hill panorama.