Humans have had a long fascination with ancient standing stones, stone circles, and megaliths. Scattered across the world, archaeologists and historians continue to debate their purpose and significance. Some theories propose that ancient civilizations built them as places of ritual and worship, while others suggest they served as astronomical sites. Many have drawn humans to marvel and even climb them. And others are so impressive that they're filled with cultural, religious, or even political importance.
In this gallery, check out some famous rocks, stones, and more found across the world. Click on to discover more.