A huge geoglyph in the Australian outback are investigated. In Chile, ninety-six ancient mummies are unearthed. A new tomb in Egypt leads to a surprising discovery. Strange animal bones are found in an unforgiving desert.

The remains of crocodile mummies on the Nile River are excavated. Millions of grass circles are found in the Namib Desert. A lost stone ruins is re-discovered in Egypt. A band of strange holes in the Nazca Plateau is investigated.

In Death Valley, rocks appear to move on their own. Archaeologists find lost civilization in Ordos Desert . Animal bones in New Mexico reveals traces of first human migration. Strange stones found in Sahara has astronomical purpose.

Egypt's Red Sea find links to the Great Pyramid. Life-sized camel sculptures found in Saudi Arabia's rocks. Mauritania investigates Sahara Desert formation. 37-million-year-old enigmatic fossil uncovered in Egypt's sands.

Archaeologists made a remarkable new discovery near Cairo, Egypt. Experts find a 1533 Portuguese ship in Namibian desert. WWII plane in Egyptian Sahara sparks pilot fate probe. Taiwan's fossil burrows tie giant worms to ancient kin.