📜 A mysterious 13th-century ossuary, also known as a charnel house, beneath Holy Trinity Church. 🔍 Houses the skeletal remains of approximately 2,500 individuals, dating from 1250 to 1900. # Why Go 💀 Witness a unique historical site and bone crypt 🧐 See organized skulls and thigh bones 📚 Learn from academic research insights, with bones catalogued by University of Sheffield academics 🇬🇧 Discover one of only two 13th-century crypts in the UK ⛪ Explore Holy Trinity Church # Why Avoid ♿ Narrow, uneven stairs, not suitable for mobility issues 🎒 No large bags or backpacks allowed inside 🐕 No dogs permitted in the crypt # Tips 🗓️ Check opening times as they vary by season 📧 Book in advance, limited to six people per slot # Cost 💰 £3 per adult # Hours 🕒 April-September: Every Sunday 2:30 PM - 4:30 PM October-March: Second Sunday of month 2:30 PM - 4:30 PM