The web team for the Lord of the Rings Online has published another of their Exploring Middle-earth articles. The focus of this installment is the 'Carn Dum', a creepy fortress that'd be just perfect for a good Halloween scare or two.

Peer into the frightening fortress-city of Carn Dûm, built upon the slopes of the Mountains of Angmar by the Witch-king, who ruled with an iron fist. Though the Witch-king was driven out ages ago by an army of Elves and Men, rumours abound with stories that Carn Dûm stands poised to strike…

You can read the article here, or here from the European site.