Rock-hewn Churches of Ivanovo (6/10) List item Submitted to "Top 10 most famous sights to see in Bulgaria" Approved by Fortune July 13, 2017, 3:25 pm 27 Views 10 Votes Share Tweet Pin Source It a few monolithic monasteries, churches, and chapels hewn out of solid rock. A UNESCO World Heritage Site. MoreReport Item navigation Previous submission Next submission View full list Share Tweet Pin Written by Fortune Leave a Reply Cancel replyYou must be logged in to post a comment.