Puma Punku in Tiahuanaco - I do not think ''aliens'' were responsible for building this site, but I think ancient man was far more advanced than we as yet understand. The technology needed here was way beyond any later civilisations.
King Midas's tomb and Phrygian remains, Sehitgazi valley near Eskisehir. King Midas is popularly remembered in Greek mythology for his ability to turn everything he touched into gold. This came to be called the Golden touch, or the Midas touch.
The Mysterious Angled Step carvings of the Inca regions. (South America) What were they? How did they manage to achieve these types of cuts and more to the point - WHY!? Such difficult stone working techniques, yet it seems these unknown master stone masons displayed such skills and advanced techniques, it was like they simply played tiddly-winks with the stones and our minds! Please share your thoughts and ideas on both - their function and how they carved it.
Ggantija, Malta - Ggantija: ('The Work of Giants'). The Ggantija temples are amongst the oldest temple structures on Malta.Once the most prominent site on Gozo Island. The importance of this temple complex is only now outweighed by the discovery of the 'Hypogeum II' within and below the nearby Xaghra Stone-Circle.