Did You Know Magura Cave in Bulgaria Hosts Concerts and has a Wine Cellar? by admin October 14, 2022 The Magura Cave in Bulgaria is a natural wonder that’s believed to have started taking shape about 15 million years ago. It is considered the most extensive post-Palaeolithic painted cave… Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)