1. Colosseum, Rome, Italy
2. Pompeii, Italy
3. The Pantheon, Rome, Italy
4. Hadrian's Wall, England
5. Diocletian's Palace, Split, Croatia
6. Palatine Hill, Rome, Italy
7. Roman Forum, Rome, Italy
8. Baths of Caracalla, Rome, Italy
9. Porta Nigra, Trier, Germany
10. Aqueduct of Segovia, Spain