steepholm

They just did it differently--you get dream sequences and divine visions of the past rather than actually travelling there. Breuddwyd Rhonabwy has the narrator falling asleep, spendign some time in a satire version of the Good Old Days of King Arthur, and then waking up. Or you just get immortal Taliesin-type figures who manage to exist everywhere, so talk about the past as a place they once lived.