Secrets in the Sand

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

On the western bank of the Nile River, the remains of ten ancient crocodiles are excavated.

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

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.