Rock-cut tombs in Egypt; huge Bronze Age rampart in Saudi Arabia; hidden cities in the Amazon; Medieval grave of tall Swede with long sword

First Roman tombs dug directly into rock found in Egypt

Colossal Bronze Age rampart discovered around one of Arabia's longest oases [Alternate Link]

Deep in Amazon rainforest, lasers reveal oldest cities yet [Alternate Link] [Alternate Link]

Grave of tall man with long sword may shed light on medieval union of Nordic countries [Alternate Link] [Alternate Link]