23 Real-World Haunts That Are Seriously Creepy

21. The Skeleton Church of Sedlec Ossuary – Czech Republic

The Sedlec Ossuary, or "Bone Church," in the Czech Republic, is one of the most visually stunning and eerie places on Earth. This small Gothic chapel is decorated with the bones of over 40,000 people, arranged into intricate chandeliers, altars, and wall designs. The stark contrast between religious devotion and macabre artistry makes this a must-visit for those fascinated by the intersection of history, death, and beauty.