It's a must to discover what's behind this keyhole, you better be prepared to line up!
Located at the lovely garden of "Consiglio di Malta" on the Aventin, near to Santa Sabina and S Alessio. It will never be a total waste to come here just for this famous keyhole because the view over Rome is worth it... and if you come prepared you can even do a little picnic under the orange trees in the sunset.
