If you imagine yourself taking little bits of memory and "storing" them in the palace or perhaps a trail you are familiar with, you may be able to better retrieve those memories. Read more about it Click here
If your brain works like mine, you may be focused on the stock picture of a random castle thinking I want to go to that castle and wander the halls. OH! How cool would it be to spend the night in a castle and you could just explore EVERYTHING! I wouldn't even SLEEP!
Or... is that just me?