The most famous rocks in the world

Stonehenge, England - Added to UNESCO's list of World Heritage Sites in 1986, Stonehenge continues to be sacred.

Blarney Stone, Ireland - Built into the facade of Blarney Castle, the site is located close to Cork. The stone was set into a tower of the castle in 1446.

Moai, Chile - These famous monolithic figures were carved between 1250 and 1500 CE by the Rapa Nui people on Easter Island, Chile.

Plymouth Rock, USA - Located on the shore of Massachusetts, Plymouth Rock is the point where William Bradford and his Pilgrims stepped onto US soil in 1620.

Rosetta Stone, England - Discovered by the French in the Egyptian town of Rashid (Rosetta) in 1799, the Rosetta Stone was taken to London by the British in 1801.

Uluru, Australia - One of Australia's most famous natural landmarks, Uluru is a massive sandstone monolith. It's located in the southern part of the Northern Territory.

Deer Stones, Mongolia and Russia - The Deer Stones are a series of more than 1,200 standing stones spread across Mongolia and Russia's Siberia region.

Devils Tower, USA - It's the world's largest columnar jointing, a geologic process in which molten rock cools so quickly that it cracks and forms a hexagonal structure.

Black Stone, Saudi Arabia - The Black Stone is a rock set into the eastern corner of the Kaaba, the ancient building in the Grand Mosque in Mecca, Saudi Arabia.

Carnac, France - Around the village of Carnac in Brittany, France, stand about 3,000 ancient menhirs and other types of megaliths.