All of Rome's state-run museums will be free of charge from the 16th to the 26th, taking part in the Settimana dei beni culturali, or annual culture week. The cultural ministry is also putting on several exhibitions, tours and other events to celebrate the week.
This is a great opportunity to get out and see some of Rome's incredible art and history FOR FREE. Just be wary that you aren't the only one taking advantage of this and the lines will be around the corner, so make sure to get there early!
Here's the full article on WantedinRome