There are other points of interest, such as the huge stone coins, or the ruins left by a mysterious alien civilization.

The game was heavily inspired by the many popular theories about aliens, ancient astronauts and mysterious civilizations.

What is it about this mysterious civilisation that so catches the imagination?

Far to the south there was a mysterious civilization, unconnected with the Thurian culture, and apparently pre-human in its nature.

Guatemala was once at the heart of the mysterious Mayan civilisation.

Since then, they had been exploring the remains of a mysterious dead civilization uncovered by the portal closing.

The story of the mysterious lost civilization that suddenly collapsed for an unknown reason has captured the popular imagination for well over a century.

Did climate change create a mysterious civilization 5,000 years ago?

It may look like a wasteland now, but a mysterious mound-building civilization once called Peru's arid valleys home.

But Renard, at least, knew from his own area of space of the dead ruins of that mysterious civilization.