To search the camp for the sacred items in Archaeology for Beginners for Rain Falls in Red Dead Redemption 2 enter the camp from the the path just below it.
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Go into the camp from below to search the camp for the sacred items in Archaeology for Beginners for Rain Falls in Red Dead Redemption 2
Go around the outside of the camp just inside the wagons until you get to the other side.

Go around the outside of the camp to search the camp for the sacred items in Archaeology for Beginners for Rain Falls in Red Dead Redemption 2
Cut into the camp and go to the main area. The sacred items are on the ground in front of a tent.

The sacred items are on the ground in front of a tent in Archaeology for Beginners for Rain Falls in Red Dead Redemption 2
Go back towards the outside of the camp and finish your circle of the camp to escape.