Often regarded as sacred and/or believed to possess extraordinary qualities, over the centuries numerous religious relics have been preserved. These relics are highly valued and revered. Can you imagine a tooth that continues to grow or blood that has remained liquid for 1700 years? As incredible as that might sound, the Holy Right (the right hand of St. Stephen) displayed in Budapest, and Saint Catherine of Siena's head, shown in Siena, Italy, are examples of such oddities.
Intrigued? Click through the gallery to learn about fascinating religious relics, from around the world.