Hidden Inka roads near Machu Picchu; circular Neolithic structure in Czech Republic; man-on-leopard statue at Karahan Tepe; cacao conclusively found at Mississippian center

Hidden Inka roads reveal new side of Machu Picchu [Alternate Link]

6,500-year-old ritual center tracked solar and lunar events

11,000-year-old statue shows human mastering a leopard

Ancient DNA confirms cacao reached Mississippian people [Alternate Link]