Locmariaquer burial chamber, Brittany, France.

"Vesica Piscis" chalice well cover

Carved Stone 8 in Gavrinis Dolmen passage grave, Gulf of Morbihan Larmor-Baden, Morbihan, France.

The Cove, Avebury Megalithic Center, Avebury, Wiltshire, England.

Acnabreck carved rock surface, Kilmartin, Argyll, Scotland.

Ancient sacred spring, Fountains Abbey, Fountains Yorkshire, England.

Ladder to Otherworld, mesa-top kiva, Puyé, New Mexico.

Lambs in henge ditch beneath stone circle, Avebury Megalithic Center, Avebury, Wiltshire, England.

Carles, Castlerigg megalithic stone circle with surrounding landscape and astronomical alignments, Lake District, Keswick, Cumbria, England.

Neolithic Spiral orb, Sacred Space Foundation, Redmire, Cumbria, England.

“Chartres Marys,” Notre Dame de Chartres Cathedral, France, Fine Art photo digital composite.

Three carved votive chambers in Gavrinis Dolmen passage grave, Gulf of Morbihan, Larmor-Baden Morbihan, France.

Carved Stone 9 in Gavrinis Dolmen passage grave, Gulf of Morbihan, Larmor-Baden Morbihan, France.

Horizon tumulus aligned with ancient earthwork henge and standing stone astronomical gateways at Stonehenge, Salisbury Plain, Wiltshire, England.

Callanish standing stones, Callanish, Isle of Lewis, Scotland.

Ancient holy well spring and cross slab for Kilmory Oib Medieval Village, Kilmartin Valley, Barnluasgan, Argyll, Scotland.

Celtic cross, ancient village churchyard, Tintagel, Cornwall, England.

Subterranean spring, Aquae Sulis-Minerva, sacred entrance to the otherworld hot springs with Roman masonry, Roman Baths, Bath, Avon, England.