Easter Island Stones actually have bodies unearthed in excavation. I thought it was a joke, but went to snopes and it's true. The mystery of how they got here and who made them still exists. Definitely want to visit Easter Island.
Africa | Bark cloth painting by the M'bute Pygmy people living in the Ituri Rain Forest of the Congo | Predominantly from the 1930s | The fabric is a pounded tree bark; the painting was done supposedly with a mixture of gardenia juice and carbon black.