🇲🇽 Mexico · Archaeological wonder
Plazuelas
Epiclassic Bajío 600–900 CE · Bajío Tradition (Northern frontier)
Hilltop city with 1,324 rock-carved building models, 600–900 CE.
🇮🇹 Italy · Megalith
Monte d'Accoddi
Late Neolithic – Early Bronze Age, Ozieri/Abealzu-Filigosa (~4000–2700 BCE) · Ozieri (Late Neolithic Sardinian)
Mysterious 36-by-29-m truncated step pyramid of limestone fill on the Sardinian plain, accessed via a 42-m ramp to a summit altar where sacrifice deposits and a sandstone menhir were found.
🇬🇧 United Kingdom · Megalith
Dwarfie Stane
Late Neolithic · Orcadian Neolithic
Rock-cut tomb carved from single 8.6 m boulder on Hoy, the only one in Britain, c.3000 BCE.
🇪🇸 Spain · Megalith
Los Millares
Chalcolithic (Copper Age) · Los Millares culture
Copper Age fortified town near Almería (3200-2200 BCE) with walls, aqueduct and 80 tholos tombs defining Los Millares culture.
🇬🇧 United Kingdom · Megalith
Taversoe Tuick Chambered Cairn
Late Neolithic · Grooved Ware / Maeshowe tradition
Rousay's unique two-storey cairn — lower and upper chambers stacked in 15 m round mound.
🇵🇹 Portugal · Megalith
Anta Grande do Zambujeiro
Late Neolithic to Chalcolithic · Alentejo Megalithic / Évora group
Iberia's largest dolmen near Évora — seven 8 m pillars with 12 m corridor, 4000-3500 BCE.
🇩🇪 Germany · Megalith
Externsteine
Natural Cretaceous (85 Ma); human modification medieval, hypothesized pre-Christian · Natural geology; medieval Christian hermitage; contested Germanic cult
Teutoburg Forest sandstone pillars with carved grottoes and medieval relief, debated as Germanic solar sanctuary.
🇬🇧 United Kingdom · Megalith
Hjaltadans (Haltadans) Stone Circle
Early Bronze Age · Shetland Bronze Age
Fetlar's 11-stone circle (~9 m) on moorland ridge — one of Shetland's few stone circles.
🇯🇵 Japan · Megalith
Oyu Stone Circles
Late Jomon 2000–1500 BCE · Jomon Late
Twin Late Jomon double-stone circles (2000–1500 BCE) — Manza (46 m dia) and Nonakado (42 m dia) placed either side of prefectural road at Oyu, Kazuno, each concentric with sundial-like 2.1 m central…
🇹🇷 Turkey · Temple complex
Sefer Tepe
PPNA · Taş Tepeler PPN
Taş Tepeler T-pillar quarry hill with unfinished 5 m blanks still attached to bedrock.
🇵🇪 Peru · Archaeological wonder
Chotuna–Chornancap
Middle Sicán to Chimú 700–1375 CE · Sicán (Lambayeque) then Chimú
Golden Priestess tomb within twin truncated pyramids, 700–1375 CE.
🇺🇸 United States · Earthwork
Emerald Mound
Plaquemine Mississippian Emerald phase 1250–1600 CE · Plaquemine (Natchez)
Second-largest mound in N America, 10.7 m terraced pyramid, 1250–1600 CE.
🇸🇪 Sweden · Megalith
Haga Dolmen
Neolithic (4000–2000 BCE) · European Neolithic
Haga Dolmen in Bohuslän, Sweden is a Neolithic megalithic monument dating to c. 3500–2500 BCE, built of local stone and associated with Atlantic farming communities.
🇪🇬 Egypt · Temple complex
Karnak Temple Complex
Middle Kingdom to Ptolemaic (c.2000 BCE–100 CE; major phase New Kingdom 1550–1070 BCE) · Egyptian Pharaonic (Middle Kingdom to Greco-Roman)
Largest temple complex in Egypt – 200 acres built over 1,500 years from Senusret I (1956 BCE) to Romans.
🇬🇧 United Kingdom · Megalith
Stoney Littleton Long Barrow
Early Neolithic (~3750 BCE) · Cotswold-Severn Neolithic
One of Somerset's finest Severn-Cotswold tombs extending 30 m with a distinctive trapezoidal mound and seven lateral chambers opening from a central passage.
🇬🇧 United Kingdom · Megalith
Lanyon Quoit
Early Neolithic · Penwith Early Neolithic
Penwith portal dolmen — 5.5 m capstone (12 t) on three 1.5 m uprights, collapsed 1815 and reset lower.
🇳🇬 Nigeria · Megalith
Ikom Monoliths (Ejagham)
Late Iron Age to Modern (500–1800 CE) · Ejagham (Cross River)
Ikom Monoliths (Akwanshi, Ataal) are 300 basalt monoliths 0.3–1.8 m high carved 500–1800 CE by Ejagham peoples in Cross River forest, stylized janus faces, spiral navels and diadems around…
🇪🇸 Spain · Megalith
Naveta des Tudons
Late Bronze Age · Talayotic culture of Menorca (Pretalayotic)
Menorca's iconic boat-shaped naveta tomb — 14 m cyclopean funerary monument 1200-750 BCE, UNESCO 2023.
🇬🇧 United Kingdom · Megalith
Trethevy Quoit
Early Neolithic · East Cornwall Early Neolithic
East Cornwall's tallest quoit — 2.4 m uprights supporting capstone 3 m high with internal divider and rear window.
🇮🇪 Ireland · Megalith
Creevykeel Court Tomb
Early Neolithic · Court Tomb tradition (Western Neolithic Ireland)
55.5 m court tomb on Sligo coast — 13×10 m oval court to twin gallery, best preserved in northwest.
🇸🇪 Sweden · Megalith
Karleby Passage Graves
Middle Neolithic · Funnel Beaker Culture (TRB)
Falbygden cluster core — trapezoidal dolmen Ragnvald's Grave and 28 passage graves on limestone plateau, c.3300 BCE.
🇬🇹 Guatemala · Archaeological wonder
Naachtun
Maya Classic 150–950 CE · Maya (Naachtun/Masuul and K'an affiliation)
Strategic Classic Maya city between Tikal and Calakmul, 150–950 CE.
🇺🇸 United States · Earthwork
Rock Eagle Effigy Mound
Archaic–Woodland 1000 BCE–1000 CE · Woodland / Archaic
36.5-m quartz eagle effigy, 1000–500 BCE.
🇨🇷 Costa Rica · Megalith
Diquís Stone Spheres
Chiriquí period (~600–1500 CE; peak Aguas Buenas 800–1350 CE) · Diquís (Chiriquí, Isthmo-Colombian)
Costa Rica's Diquís Delta preserves over 300 near-perfect spheres of gabbro up to 2.66 m diameter and 16 tonnes, shaped by pecking and grinding until calipers verify sphericity within 2 cm.