^ I second the Forest Temple (OOT), Lakebed Temple (TP), City in the Skye (TP).
I also really loved Dodongo's Cavern (OOT), Great Bay Temple (MM), Ikana Canyon (MM), Earth Temple (WW), Tower of the gods (WW), Hyrule Castle (TP) **my absolute favorite in this game**, the whole Lanayru region...