A crack in the Golgotha rock located at the Chapel of Adam is poof of the earthquake during Jesus' crucifixion: Now the centurion, and those who were with him keeping guard over Jesus, when they saw the earthquake and the things that were happening, became very frightened and said, "Truly this was the Son of God!" -Matthew 27:54 (NAS)
Holy Relic of the Most Blessed Virgin Mary, from her girdle (belt, cincture). It was taken from the grave of Saint Thomas the Apostle who brought it from Jerusalem to India. Now it is preserved under the guard of Jacobite Syrian Church in Homs, Syria.
The jail cell of St Peter and Paul before their executions. They baptized fellow prisoners and their guards here. Located underground at the mermitime museum near the roman forum over 2500 years old, it was perhaps originally a sistern. Said to be the place where Paul wrote his letters to the Ephesians. Take a container to take water from the adjacent holy spring, thought to be the source of the baptism water for the jailers.