That? That my friends, is the tabernacle. Yes, the resting place of Our Lord in the Most Blessed Sacrament.
GUARDED BY THE EYE OF SAURON. JESUS CHRIST IT'S A SAURON! GET IN THE CAR!
Maybe this is purgatory for Sauron? Still doesn't explain why the tabernacle seems to depict an abstract tribute to the first lunar landing.