Summon the Questmaster at any Quest Tree to choose and accept any Rune Quest or Adventure. The Quest Tree can also provide status of the quest or adventure you are on. Complete a quest or adventure and earn a Rune. It will also show you how much gold you spend.
The QuestTrees are are usually found in Great Wolf Lodge locations, who have lots of facilities with the Forest Realm type Realm so that it fits the themes and decorations of their hotels.