Spoiler Alert! We have hidden this information so that you have the choice to try it on your own, or have the advantage of knowing how the sausage is made...
From Weinar Nong, go back out to the bay, go south to the bridge and to the right. There is a small archway where the water meets the stone wall. Enter and there is a stone staircase. Climb and emerge into a room with 2 Scealoks of the Dying Sea. Kill them and step to the walkway to the bridge. Fight 3 more Scealoks of the Dying Sea to reach the bridge. Cross the bridge to the Altar of the Dying Sea.
In all other zones they do not reward XP, TP or Gold, only Public Event Points. In all other aspects they are the same as a Daily Quest (except for the infinitely repeatable part and the rewards). Public Event Points contribute towards the completion of Regional Quest objectives, which in turn rewards a number of Energy of Justice commensurate with your amount of participation in the Regional event.