There are a few areas you can research under the adventure tree that show you new resources throughout the land. I'm always on the lookout for new food resources, so I research this pretty early every game. However, I'm finding that the new resources only show up in my areas of influence and no where else. So a twilight bees thing may show up around my city, but if I explore elsewhere, I'll never see another one. This has become especially troublesome when I have already researched these areas and then build a new city because these resources are never available at new city locations.
So has anyone else experienced this? I'd rather just have someone tell me I'm wrong.