[Solve overlap with the heart]
Though Frédéric Chopin’s heart is undoubtedly the star object within this Polish church, the sanctuary holds other interesting objects as well. Head to the back of the church, and you’ll find a shrine to St. Thaddaeus that was erected to help those in times of need.
About the source
Atlas Obscura aims 'to inspire wonder and curiosity about the incredible world we all share'. You can contribute to their collection on their website.