Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Stonehenge. Wiltshire, Recent history of Stonehenge, Theories about Stonehenge, Excavations at Stonehenge, Stonehenge replicas and derivatives, Stonehenge Landscape, Stonehenge Riverside Project, Stone circle, Ring of Brodgar, Pembrokeshire, Megalithic architectural elements, Station Stones, Oligocene, Miocene