The most fascinating geoglyphs on earth are usually from the Nazca civilization. All creatures are almost included in this fascinating old art. The art ranges from spiders, monkeys, sharks and flowers. How they get the geoglyphs with so much precision remains a mystery. This is considering that Nazca’s don’t have a way to examine their work from above.
Aluminum Wedge of Aiud
This was discovered in 1974 by a group of Romanian workers. It was uncovered 10 meters deep in a sand trench along with elephant bones. Some researchers call this discovery a hoax. However, what is intriguing is that it was difficult to create aluminium 2.5 million years ago more so using the 19th century standards. How it was made still bugs many metal specialists.