I've looked at the other topics discussing this issue, and none seemed to be exactly on point.
I just got a bunch of photos passed of a tourist attraction here in the US. Not a vastly popular one, but in an area where surprisingly I've licensed a fair number on Alamy and some via my site on Photoshelter too - I think that these are two places where editors go for those hard to find images. I'm tempted to tick "exclusive to Alamy" because they are not the types of images I expect to sell often, hence I've uploaded them here, and I don't expect they'd be a big draw on either of the