The Berlin Golden Hat (or Berliner Goldhut) is a tall, conical artifact made of hammered gold and decorated with astronomic symbols including the moon almost 3000 years old. It dates back to 1000-800 BC and may have been used as the ceremonial hat of a high priest or ruler used when worshipping the sun. It is possible that the Berliner Gold Hat was also used as a calendar: the symbols on the artefact would have permitted the determination of dates or periods in both lunar and solar calendars.
The Grand Circle Just as every point along the equator is 6,215 miles from both the North and South Poles, every point along this circle of ancient sites is 6,215 miles from two axis points on Earth. Many ancient sites such as the Ziggurut of Ur, the Pyramids of Giza, and the cities of Petra and Persepolis lie along this 'grand circle'
Ancient Alien Theory~ many ancient cultures believe their ancestors were visited by "star brothers" who came from the sky. This is one example of, what some believe, is a depiction of ancient advanced technology: Stele D, Mayan site of Quiriguá, Guatemala by Mikey Stephens, via Flickr