So it won't be hidden when you have a lot of GPTI. Including automatically applying the right plot type and terrain type when you place the new Natural Wonders to a plot. So then the added Natural Wonders are listed alongside vanilla Natural Wonders. I placed the values right at the top of the codes, so it's easier to edit. Requires EUI (aka Enhanced User Interface).
Originally made by with additional modification by can see all changes I made here: GitHub Repository An in-game editor for Civilization V to alter the map and many other things on the fly.