Atop the Pyramid of Argus.
A kreated kombatant stands atop the pyramid in MK: Armageddon.
MK: Armageddon concept art.
Pyramid of Argus in MK 2011.
The Pyramid as shown in Green Lantern's ending in MK vs DC Universe.
The Krypt art used to show off unlocked alternate outfits for the characters was actually made in game in an arena that players can't access.
The complete character select screen on Wii