The Cave is where you can mine for gems to use in alchemy, hearts, or find chu buds, flies, and mushrooms.
The Orchard is where you can collect fruit. You can earn the orchard by completing the quest by the apple man in the park.
The Movie Theater is where you can earn prizes by playing a mini game and then watching an ad. You can earn hearts, movie stubs, to earn better prizes, and food to use in alchemy or to feed your Pakka.
The Hive is where you can earn honey.