No special tour to underline or to suggest, but the whole Rome with its unique richness.
Anyway, best tours for foreigners are always the same:
– Christian Rome: Vatican Museum & S.Peter Basilica
– Ancient Rome: Coloseum, Palatine, Capitol, Roman Forum
– Baroque Rome: Spanish Steps, Trevi Fountain, Pantheon, Navona Square, others & others
Moreover, every special tour can be arranged under request.