Secrets in the Sand

The origins of a huge geoglyph in the Australian outback are investigated.

In Death Valley, USA, rocks appear to magically move across a dry lakebed on their own.

A major archaeological discovery might be connected to the building of the Great Pyramid in Giza.

Just south of Cairo, Egypt, archaeologists make a remarkable new discovery.

Ancient human remains believed to belong to a great hunter are discovered in the Peruvian highlands.