Indiana Jones and the Great Circle Secret of Giants is a fieldwork side quest that tasks Indy with photographing several inscriptions in the Vatican City. This mission is associated with the secret Path of Junia trophy/achievement and the Riddles of the Ancients side quest. Let’s see what you must do to complete it!
Indiana Jones and the Great Circle Secret of Giants – Preparations
There are 10 inscriptions you must find. The first four are part of the Stolen Cat Mummy main quest. You will need the camera to find them. So, advance to the point in the main story until you acquire the camera, and take the four mandatory photos for the Stolen Cat Mummy mission.
Before tackling the remaining six, complete these fieldwork side quests:
- A Nun in Trouble.
- A Savage Discovery.
- The Mad Priest.
These missions unlock the areas in which you will find the inscriptions.
Indiana Jones and the Great Circle Secret of Giants – All Inscriptions Locations
Indiana Jones and the Great Circle Stolen Cat Mummy – The First Four Inscriptions
These are the inscriptions you need to find for the main quest.
Inscription 1

Find the garden between the Post Office and the Apostolic Library. The inscription is on the right wall at the end of the garden.
Inscription 2

This inscription is on the fountain in the Belvedere Courtyard.
Inscription 3

Make your way south of the Belvedere Courtyard until you see the big Mussolini poster. Notice the scaffolding nearby and climb it to reach the balcony where the inscription is.
Inscription 4

From the location of the third inscription, climb up one more level. Use the window to enter the room and exit through the other window. Use the grapple point on the right, climb up, and look for the inscription on the left.
The Last Six Inscriptions
You’ve found the mandatory inscriptions for story progression, but there are six more to finish the Secret of Giants side quest.
Inscription 5

Unlock the Vatican Post Office cellar with the key from the A Savage Discovery fieldwork. Enter the cellar and make a left to reach the end of the passage. The inscription is on the right wall.
Inscription 6

For this inscription, you need to reach the Museum Wing. This area becomes accessible during the A Nun in Trouble fieldwork. Inside the Museum Wing, make a left, and take the stairs up. The inscription is at the top of the stairs.
Inscription 7

Go up the stairs left of the Fountain of Confessions and notice the inscription on the wall.
Inscription 8

Enter the Apostolic Palace from the Borgia Courtyards. Go down the stairs and enter the room on the left. Go down the passage and out through the double doors. Enter the room on the right and take the stairs up. Go out through the double doors and use the zipline to get to the other side. Notice the gap and go through it. Jump down and check the wall to see the inscription.
Inscription 9

Unlock the gate to the sewers with the key received during The Mad Priest fieldwork. Make your way to the right section of the sewers. Use the grapple point and climb until the pipe breaks. Grab onto the pipe at the end of the room with the whip. Climb the wooden platforms and enter the room at the top, where the inscription is.
Inscription 10

From the Apostolic Palace, make your way to the Excavation Site. The inscription is on a wall to the left.
How to Complete the Secret of Giants Side Quest and Obtain the Path of Junia Trophy
Once you have collected all 10 inscription photos, go to Antonio’s office and place the photos on the board to complete the quest. Antonio will reward you with the final relic needed for the Riddles of the Ancients side quest. You will also unlock the Path of Junia trophy/achievement for finding all 10 inscriptions.

Check out more Indiana Jones and the Great Circle guides!
| Indiana Jones and the Great Circle – A Snake in the Garden Puzzle |
| Indiana Jones and the Great Circle – Signs of Trouble Puzzle |
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