RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

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.

91 results for "unexplained artifacts" — page 2 of 5

ZH_1_04 Verified Archaeoastronomy

ZH_1_04 — Nebra Sky Disk: Bronze Age Star Map Analysis

The Nebra sky disk (Himmelsscheibe von Nebra) is a bronze disk approximately 30 cm in diameter, decorated with gold-leaf appliqué representing the sun (or full moon), a crescent moon, stars (including a cluster interpret

Nebra sky disk Bronze Age star map Pleiades crescent moon sun boat
J_2_21 Credible Ancient Technology

J_2_21 — The Baghdad Battery: Electrochemistry in Ancient Mesopotamia?

The "Baghdad Battery" — more precisely the Khujut Rabu artifacts — refers to a set of small ceramic jars containing copper cylinders and iron rods, discovered in 1936 during excavations at Khujut Rabu (also spelled Khuju

Baghdad Battery Parthian Battery Khujut Rabu galvanic cell electroplating Wilhelm König
O_1_12 Credible Earth Anomalies

O_1_12 — The Hum: Worldwide Low-Frequency Acoustic Anomaly

"The Hum" refers to a persistent, low-pitched, droning noise perceived by a small but significant percentage of the population (estimated 2–11% depending on the locality and study) in diverse locations worldwide. The Hum

the Hum low-frequency noise infrasound Taos Hum Bristol Hum Windsor Hum
O_1_19 Speculative Earth Anomalies

O_1_19 — Naga Fireballs

The Naga fireballs (bung fai phaya nak, บั้งไฟพญานาค, literally "Naga sky rockets") are glowing orbs reported to rise from the Mekong River in the Nong Khai Province of northeastern Thailand (and the opposite Laotian ban

Naga fireballs Mekong River bung fai phaya nak luminous orbs Thailand Laos
D_2_11 Verified Sites & Artifacts

D_2_11 — Abu Simbel: Ramesses II and Solar Engineering

Abu Simbel — twin rock-cut temples on the western bank of the Nile in southern Egypt (Nubia), near the modern border with Sudan — represents the apex of pharaonic monumental engineering and one of the most spectacular so

Abu Simbel Ramesses II rock-cut temple Nubia solar alignment colossal statues
D_2_03 Verified Sites & Artifacts

D_2_03 — Karnak Temple Complex — The Dwelling of Amun-Ra

The Karnak Temple Complex, located on the east bank of the Nile at ancient Thebes (modern Luxor, Upper Egypt), is the largest religious complex ever constructed — encompassing over 100 hectares of temples, chapels, pylon

Karnak Thebes Amun-Ra Hypostyle Hall obelisks pylons
D_2_13 Verified Sites & Artifacts

D_2_13 — Palmyra: Crossroads of Civilizations

Palmyra (ancient Tadmor; Arabic: Tadmur) — an oasis city in the Syrian desert approximately 215 km northeast of Damascus — rose to extraordinary prominence between the first and third centuries CE as a caravan trade hub

Palmyra Tadmor Syria caravan city Roman Empire Parthia
D_2_14 Verified Sites & Artifacts

D_2_14 — Valley of the Kings: Royal Tombs and Afterlife Architecture

The Valley of the Kings (Arabic: Wadi al-Muluk; ancient Egyptian: Ta-sekhet-ma'at, "The Great Field") — a narrow, arid wadi on the west bank of the Nile opposite ancient Thebes (modern Luxor) in Upper Egypt — served as t

Valley of the Kings KV Thebes Luxor Egypt New Kingdom
D_2_02 Verified Sites & Artifacts

D_2_02 — Pompeii and Herculaneum — Frozen in Volcanic Time

The Roman cities of Pompeii (~11,000 population) and Herculaneum (~5,000 population) were destroyed and simultaneously preserved by the catastrophic eruption of Mount Vesuvius in AD 79. The eruption (now dated to October

Pompeii Herculaneum Vesuvius AD 79 eruption pyroclastic flow plaster casts
D_2_12 Verified Sites & Artifacts

D_2_12 — Knossos and Minoan Palatial Architecture

Knossos — located approximately 5 km south of modern Heraklion on the island of Crete — is the largest and most famous Bronze Age palatial complex in the Aegean world, serving as the political, economic, and ceremonial c

Knossos Minoan Crete palace Arthur Evans labyrinth
D_2_00 Sites & Artifacts

D_2_00 — Mediterranean Near East: Subfolder Summary

D_2_01 Verified Sites & Artifacts

D_2_01 — Maltese Temple Builders and the Ħal Saflieni Hypogeum

The Maltese Temple Period (~3600–2500 BCE) produced the oldest free-standing structures on Earth — predating the Egyptian pyramids by ~1,000 years and Stonehenge by ~1,500 years. The tiny Maltese islands (316 km² total —

Malta Ħal Saflieni Hypogeum Ġgantija Mnajdra Ħaġar Qim Tarxien
D_2_04 Verified Sites & Artifacts

D_2_04 — Baalbek — Colossal Stones of the Bekaa Valley

Baalbek (ancient Heliopolis — "City of the Sun") is one of the most monumental archaeological sites in the ancient world, located in the Bekaa Valley of eastern Lebanon at the foot of the Anti-Lebanon mountain range. The

Baalbek Heliopolis Trilithon Stone of the Pregnant Woman Jupiter temple Bacchus temple
D_2_15 Verified Sites & Artifacts

D_2_15 — Hattusa: Hittite Capital and Treaty Archives

Hattusa (modern Boğazköy/Boğazkale, approximately 150 km east of Ankara in north-central Turkey) — the capital of the Hittite Empire from approximately 1650 to 1180 BCE — was one of the greatest cities of the Late Bronze

Hattusa Hattusha Boğazköy Boghazköy Hittite Anatolia
D_1_04 Verified Sites & Artifacts

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)

pyramid ziggurat step pyramid mound tumulus Giza
D_1_08 Verified Sites & Artifacts

D_1_08 — Tiwanaku and Puma Punku Deep Dive

Tiwanaku, situated at 3,825m elevation on the Bolivian Altiplano near the shores of Lake Titicaca, was the highest-altitude imperial capital in the ancient world. Flourishing from approximately 300 to 1000 CE, its influe

Tiwanaku Tiahuanaco Puma Punku Gateway of the Sun Viracocha Staff God
D_1_12 Verified Sites & Artifacts

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).

Chichen Itza El Castillo Kukulkan equinox serpent cenote sagrado Great Ballcourt
D_1_10 Verified Sites & Artifacts

D_1_10 — Petra — Rock-Cut Architecture and Hydrological Engineering

Petra, the ancient Nabataean capital hidden within the sandstone mountains of southern Jordan, represents one of the most extraordinary achievements in rock-cut architecture. Established as the Nabataean capital by the 4

Petra Nabataean Al-Khazneh Treasury Siq rock-cut architecture
D_1_15 Verified Sites & Artifacts

D_1_15 — Angkor Thom and Bayon: Faces of the Devaraja

Angkor Thom ("Great City") — the last and most enduring capital city of the Khmer Empire — was built by Jayavarman VII (r. c. 1181–1218 CE) as a walled, moated urban complex of approximately 9 square kilometers in presen

Angkor Thom Bayon Khmer Empire Jayavarman VII devaraja face towers
D_1_13 Verified Sites & Artifacts

D_1_13 — Borobudur — The Cosmic Mountain in Stone

Borobudur, located in Central Java, Indonesia, is the world's largest Buddhist monument — a colossal mandala-shaped structure composed of approximately 2 million blocks of andesite volcanic stone, rising ~35 m above its

Borobudur Sailendra dynasty mandala stupa Buddhist Java