"Megalith" means "large stone"; an antonym might be "pebble".
A megalith is a large stone that forms a prehistoric monument, such as a stone circle or chamber. Stonehenge is a well-known Megalith.
builders
A megalith is a large stone that has been used to construct a structure or monument, either alone or together with stones.
A megalith is a large, prehistoric stone monument, typically used for religious or ceremonial purposes.
To unlock Jet, you need to beat the Great Megalith time challenge with a 5 star ranking.
Mycenaean
a megalith
A megalith is a large stone which has been shaped and set up. Megaliths are used in ancient monuents such as Stonehenge.
It could be Stonehenge, or the Great Pyramids of Egypt, possible Machu Picchu.
The most famous is probably Stonehenge. It's a probable man-made formation built hundreds of years ago from rock found 100 km away.
A huge stone monument in the Stone Age is often referred to as a megalith. Examples include Stonehenge in England and the Moai statues on Easter Island.