The Roman Agora of Athens with the Tower of the Winds.
The Odeon of Herodes Atticus below the Acropolis, a Roman theatre still in use.
Philippi, a Roman colony and site of the 42 BC battle — UNESCO.
Ancient Corinth, Roman capital of Achaea with the temple of Apollo.
Nikopolis, the 'city of victory' founded by Octavian after Actium.