This is a sample map of Europe that opens a lightbox when you click on one of the markers:
This is how the administration panel looks like:
This map example uses Featherlight which is a very lightweight jQuery lightbox plugin. You won’t need to install any additional WordPress plugins to use this map and the lightbox on your site. The lightbox should work without any problems.
click_value simply contains the HTML for each marker. This HTML will be used for the inner content of the lightbox.
The map configuration can be found here: