I've implemented most those features in your description, Please refer to http://www.golater.me http://www.golater.me , GoLater integrated with Evernote , You c

I've implemented most those features in your description, Please refer to http://www.golater.me http://www.golater.me , GoLater integrated with Evernote , You could create note then add a GeoTag for place , You will see this note's map location in your iPhone after sync to GoLater iOS App. So With GoLater , Evernote become your Places content management system, The places content is fully controlled by yourself. The most cool thing is GoLater's note could be search by Map region, Drag your map and see your interesting places collection, Especially GoLater's map function also implement 'filter by Notebook', you could collect places related to US Civil war history in a Notebook named "US Civil war", Open the map in GoLater then switch to "US Civil war", Drag the map region and all information related with "US Civil war" will show up around map region GoLater also implement Places Sharing by way of Evernote share notebook , Your places is private list in your notebook, but you could share your places notebook to your family , Your family could pick up which place is interesting then save to their own map