-Oldest building- Barnenez, France - around 4800 BC. The Cairn of Barnenez is considered to be a Passage grave. It is a Neolithic monument located in northern Finistère, Brittany, France. The structure is 72 m long, 25 m wide and over 8 m high.
The Divje Babe Flute is a cave bear femur pierced by spaced holes that was found in 1995 at the Divje Babe archeological park located near Cerkno in northwestern Slovenia. It is possibly the world's oldest known musical instrument.