RESEARCH BASE
Search 3,721 documents across 34 fields — every claim tier-rated by evidence
3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.
2,842 results for "Royal Game of Ur" — page 104 of 143
D_1_04 — Complete Pyramid Catalog: Every Known Pyramid on Earth
This document examines Complete Pyramid Catalog: Every Known Pyramid on Earth, a topic within the Sites and Artifacts research area. Key areas of investigation include Egypt — 138+ Confirmed Pyramids, Sudan (Nubia/Kush)
D_1_12 — Chichen Itza — Calendrical Pyramid and Sacred Cenote
Chichen Itza, located in the northern limestone lowlands of the Yucatan Peninsula, Mexico, was one of the largest and most powerful Maya cities during the Terminal Classic and Early Postclassic periods (c. 750–1250 CE).
D_1_23 — Carnac Stone Alignments: Europe's Largest Megalithic Complex
The Carnac stone alignments — located near the town of Carnac in southern Brittany, France — constitute the largest collection of megalithic standing stones in the world. Over 3,000 menhirs (upright stones) are arranged
D_1_25 — Ollantaytambo: Megalithic Engineering in the Sacred Valley
Ollantaytambo (Quechua: Ullantaytampu) is a monumental Inca archaeological site at 2,792 m elevation in the Sacred Valley (Urubamba Valley) of Peru, approximately 72 km northwest of Cusco. It served simultaneously as a r
D_1_16 — Göbekli Tepe Pillar Reliefs: Iconographic Analysis
The monumental T-shaped limestone pillars of Göbekli Tepe (southeastern Turkey, c. 9600–8000 BCE) bear the world's oldest known examples of monumental relief sculpture — an extraordinary corpus of carved imagery that pro
D_1_05 — Stonehenge and the British Megalithic Complex
Stonehenge on Salisbury Plain, Wiltshire, is Britain's most iconic prehistoric monument, constructed in multiple phases between approximately 3100 and 1500 BCE — a span of over 1,600 years. The site features massive sars
D_1_02 — Pyramids Worldwide
Pyramidal structures appear on every inhabited continent — Egypt, Mesoamerica, China, Sudan, Indonesia, and beyond. The Great Pyramid of Giza (2560 BCE) remains the most precisely engineered ancient structure known, with
D_1_03 — Megalithic Impossible Engineering
Ancient megalithic construction worldwide features stone blocks of extraordinary size and precision that challenge conventional explanations. Baalbek's Trilithon uses three 800-tonne stones set 7 meters above ground; Sac
D_5_03 — Sacred Geometry
Sacred geometry — the study of mathematical patterns (phi, pi, Fibonacci sequences, Platonic solids) appearing in nature, ancient architecture, and religious art — spans every major civilization. The golden ratio (φ ≈ 1.
D_5_23 — Chaco Canyon: Ancestral Puebloan Architecture and Astronomical Alignment
Chaco Canyon in northwestern New Mexico was the ceremonial, administrative, and astronomical center of the Ancestral Puebloan world from approximately 850 to 1150 CE. The canyon contains 12 "great houses" — massive multi
D_5_08 — Archaeoastronomy Synthesis
Archaeoastronomy — the study of how past peoples understood and used celestial phenomena — reveals a depth and sophistication of ancient astronomical knowledge that consistently challenges conventional timelines of scien
D_5_06 — Fractals and Scale Invariance
Fractals — shapes and patterns that repeat at every scale of magnification — were formalized by Benoît Mandelbrot in The Fractal Geometry of Nature (1982) as a new mathematical language for describing the IRREGULAR forms
D_5_25 — Sacred Mountains: Axis Mundi and Global Mountain Veneration
Mountains occupy a uniquely sacred position in virtually every culture on Earth — serving as the dwelling place of gods, the point where heaven and earth meet, the axis around which the cosmos rotates, and the place wher
D_5_20 — Cave Acoustics, Paleolithic Sound Art, and Ritual Soundscapes
The placement of Paleolithic cave art is not random — it correlates systematically with the acoustic properties of the caves. This was first demonstrated by Iegor Reznikoff (Université de Paris X) and Michel Dauvois (Cen
D_3_13 — Aksum Stelae: Ethiopian Monumental Engineering
Aksum (also Axum) — a city in the northern Ethiopian highlands (Tigray Region) — was the capital of the Aksumite Kingdom (c. 1st–7th centuries CE), one of the most powerful and sophisticated states of the ancient world,
D_3_16 — Jericho: Oldest Walled Settlement and Neolithic Revolution
Jericho (Arabic: Arīḥā; Hebrew: Yeriḥo; modern Tell es-Sultan) — an ancient settlement mound beside the perennial spring of Ain es-Sultan in the southern Jordan Valley, approximately 10 km north of the Dead Sea and 258 m
D_3_18 — Great Zimbabwe Trade Network Expansion
Great Zimbabwe — the largest stone structure in sub-Saharan Africa south of the Sahara — was the capital of a Shona-speaking state that controlled the gold-for-cloth trade between the Zimbabwe Plateau and Indian Ocean po
D_3_20 — Amazonian Geoglyphs & Pre-Columbian Earthworks
LiDAR surveys and systematic deforestation since the 1970s have revealed thousands of pre-Columbian geometric earthworks (geoglyphs) across western Amazonia, fundamentally overturning the long-held view of the Amazon as
D_3_01 — Serpent Mound & Effigy Mounds
The Great Serpent Mound in Adams County, Ohio is the largest surviving effigy mound in the world at 1,348 feet (411 m), depicting a sinuous serpent with seven undulating curves and an egg-shaped feature at its head. It c
D_3_19 — Spiral Geometry in Cross-Cultural Sacred Art and Architecture
The spiral is among the most universal motifs in human visual culture, appearing independently across every inhabited continent from the Paleolithic to the present. From the triple spiral (triskele) at Newgrange (c. 3200
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