Some harbour plants and animals, or even mysterious ruins.

The alien technology had been discovered by two xeno-archaeologists picking through ancient and mysterious Klikiss ruins.

Add Buddhist temples, mysterious ruins, abundant wildlife and legendary hospitality.

Ancient nations once ruled there, and many mysterious ruins are hidden about the land.

It was all a no-man's land, mysterious ruins that could hold snipers and mines.

He had learned all that was verifiable regarding the mysterious ruins.

Together, they discover mysterious ruins hidden underneath the ground.

They carry mysterious ruins on their backs.

One of El Dorado's lines is "these are the mysterious ruins of my people".

Whatever your view, all this 'Maya Mania' makes 2012 the ultimate year to check out the most mysterious ruins on earth.