Item #: SCP-004
Object Class: Euclid
Laconic Containment Procedures: Do not bring the keys inside the doorway. If something bad breaches containment within SCP-004-1, bring the keys inside the doorway, close the door, and activate the nuke.
Laconic Description: A large door on the side of an abandoned factory. There is a keychain as well, with 12 keys. Each key leads to a different place, some of which are safe and some of which are not.
An SCP Foundation site, Site-62, has been established within SCP-004. It is a full SCP site, akin to Site 19, which exists in the pocket dimension inside SCP-004.
Additional Context: This SCP was posted by an anonymous account, and is from June 2008, making it among the oldest on the wiki.