Have seen:
1. Syracuse and the Rocky Necropolis of Pantalica
2. The Wadden Sea
3. Škocjan Caves
4. Roman Monuments, Cathedral of St Peter and Church of Our Lady in Trier
5. Historic Centre of Rome, the Properties of the Holy See in that City Enjoying Extraterritorial Rights and San Paolo Fuori le Mura
6. Archaeological Areas of Pompei, Herculaneum and Torre Annunziata
7. Vatican City (less) (less)

Have seen:
1. Syracuse and the Rocky Necropolis of Pantalica
2. The Wadden Sea
3. Škocjan Caves
4. Roman Monuments, Cathedral of St Peter and Church of Our Lady in Trier
5. Historic Centre of Rome, the Properties of the Holy See in that City Enjoying Extraterritorial Rights and San Paolo Fuori (...more)

Have seen:
1. Syracuse and the Rocky Necropolis of Pantalica
2. The Wadden Sea
3. Škocjan Caves
4. Roman Monuments, Cathedral of St Peter and Church of Our Lady in Trier
5. Historic Centre of Rome, the Properties of the Holy See in that City Enjoying Extraterritorial Rights and San Paolo Fuori (...more)