Movies filmed in Grotto Di Pastena, Rome, Lazio, Italy

There are 4 movies that were filmed in Grotto Di Pastena, Rome, Lazio, Italy.
City: Pastena State: Province of Frosinone Country: Italy
Ercole e la regina di Lidia
(1959)
Caltiki il mostro immortale
(1959)
Marco Polo
(1962)
Maciste alla corte del Gran Khan
(1961)