1. Doge's Palace (Palazzo Ducale)   Greece   Portugal   Italy   Denmark   Hint Half-n-half Clue   2. Kappelbrucke Bridge   United Kingdom   Switzerland   France   Luxembourg   Half-n-half Clue   3. Arc de Triomphe   Sweden   France   United Kingdom   Greece   Half-n-half Clue   4. Cologne Cathedral (The Dom)   Germany   Portugal   Austria   Switzerland   Half-n-half Clue   5. Nelson's Column, Trafalgar Square   France   United Kingdom   Portugal   Denmark   Half-n-half Clue   6. The Palace of Vienna   Portugal   Italy   Austria   Vatican City   Half-n-half Clue   7. Louvre Museum   United Kingdom   France   Switzerland   Italy   Half-n-half Clue