Church of Santissima Trinita, also known as Montagna Spaccata, was erected in the 11th century over the cleft in the rocky cliff at the western tip of Monte Orlando in Gaeta. According to legend, this cleft, which goes to the Turkish cave - Grotta del Turco, appeared on the day of Christ's death, when the split many mountains around the world. The second name of the temple - Montagna Spaccata - translated from Italian means "Broken Hill".

Along the staircase that leads to the very bosom of the mountain, above a narrow crack to the right you can see a Latin couplet, and the side - the so-called "hand of the Turk" in the form of a human hand (five fingers printed in the rock). According to legend it was formed at a time when a non-believer Turkish sailor, did not believe the story about the origin of Montagna Spaccata, leaned against a rock that miraculously suddenly became loose on the wall and left the imprint of his hand.

In the church of Santissima Trinita prayed numerous pontiffs among which was Pope Pius IX, bishops and saints, including Bernardino da Siena, Ignatius of Loyola, Leonardo da Porto Maurizio, St. Paul of the Cross, Gaspar del Bufalo and St. Philip Neri. It is said that the last even lived in a cave Montagna Spaccata where preserved stone bed, now known as the 'Lodge of St. Philip Neri. "

In 1434, the year from the top of two rocky cliffs that gave the name of the place (Broken Hill), separated a huge stone, which "fell" down and got stuck between two walls of the cleft. It was built a small chapel dedicated to the Crucifixion, a site where you can admire breathtaking views. Near the chapel is the very bed of Philip Neri.

The current appearance of the church of Santissima Trinita - is the result of the restoration carried out in the 19th century. To the left of the church is Turkish descent to Grotto, and located next to the ancient Roman villa of Lucius tank strap (the latter is close to the mausoleum). Right begins indoor corridor, the walls lined with ceramics in which the framework can be seen stopping Way of the Cross. At the end of the hallway is a staircase that leads to the central cleft. That there is a "Turk's hand."

Today, the temple of Santissima Trinita occupy the missionaries of the Pontifical Institute for foreign missions.