The podklet is a monument of architecture of the late XIVth century. it is a quadrangular room under the cathedral's central part, built of large white-stone blocks. In the center of the room there is a massive pillar with low archs, connecting it with the walls. An apse is adjacent to the room's eastern part. The podklet must have been the place for preservation of Great princes' treasury. Since 1989, it houses an archeological exhibition, the exhibits of which are connected with the history of settling of the Borovitsky (Grove) Hill, with unique treasure-troves founded in the XIXth-XXth centuries inside the Kremlin territory.
