After celebrating the Passover feast, that would come to be known as the Last Supper, Jesus and his disciples went to the Garden of Gethsemane. Jesus moved to a rock to pray and agonize over what was to come. Jesus wanted his disciples to share his sadness and agony, but they fell asleep. Jesus was disheartened that they could not watch over him for only one hour. Jesus was betrayed and then arrested in the garden.
The Church of all Nations known as the Basilica of the Agony was built next to the Garden of Gethsemane over the rock that Jesus prayed on. The rock is visible by the alter.