Metaphysician's SCP-4000

Item #: SCP-4000

Object Class: Safe

Special Containment Procedures:

Description: SCP-4000 designates a number of unusually preserved archaeological sites located beneath the Rub' al Khali desert in the Arabian Peninsula. Each site is self-contained within a hemisphere-shaped cavern approximately .4 kilometers below the other. These caverns vary in size but all are capable of containing an entire city or even a small country. It appears that each civilization was built over the same general location of the previous occupier.

Caverns are listed in descending order, from most recent to oldest: