Regina tried to use Coras Hearts to revive Daniel

So I was watching the 3rd episode today, Lady of the Lake, and I noticed something.

When Henry snuck into the Heart Chamber below the Mills Family Crypt, I noticed the stairs that Henry went down looked almost identical to the stairs that appeared in the Once Upon A Time Season 2 Promo clip. In that clip Regina is seen descending some stairs also.

I think that it is the same stairs. I reckon that after Regina pushed her mother through the looking glass, she searched out her mothers Heart Chamber. As this is also the episode involving Doctor Whale, and one of the main theories is that he is Doctor Frankenstein, it seems likely that she sought out the heart chamber to find a replacement heart for her One True Love Daniel – whose heart had been crushed by Cora. Presumably she wanted Dr Frankenstein to reanimate her beloved. The episode for “The Doctor” also mentions Regina sees ghosts – I bet it will be Daniel as previously suggested. I’m thinking this will be the episode she begins to let him go emotionally – she needs to move on.