Four Skull Lookout is an above ground ruins and lookout point overlooking the Karth River valley. It is a large stone structure of a single room with a dome roof. It is on top of a cliff south of Karthwasten and east of Markarth. Local bandits have set up camp here.
Outside the back door is a pedestal. There is a stone lookout point with an Shrine of Zenithar to the southwest.
It is the objective of one of the bounty quests that you can obtain in Markarth. This is also a part of Destruction Ritual Spell quest.
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