The Jewish Catacombs in Rome are to be opened up to the public for a limited period from 1 May to 5 June.
The catacombs at Vigna Randanini are usually only accessible by private tour and are one of two Jewish Catacombs in Rome, situated near the Appian Way.
The Jewish centre in Rome is next to Teatro Marcello, which you may pass as you enter Rome by road from Fiumicino Airport.
You can book a private tour of the Jewish Catacombs with Viator.
Read more about the Jewish Catacombs at Wikipedia.