An atlas of Earth’s mysterious places — megaliths, pyramids, lost and sunken cities — with the evidence shown plainly: what is verified, what is contested, and what is still unknown.

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Greece

85 places in the atlas, 14 of them inscribed as UNESCO World Heritage.

Kinds found here

Ancient cities43
Submerged sites34
Archaeological wonders28
Temple complexes28
Ancient ports19
Buried cities12
Ancient villages7
Tells6
Mounds4
Port cities4
Temples4
Contested sites3

How well established

Verified80
Accepted2
Contested1
Hypothetical1
Pseudo1

Top regions

Attica3
Crete3
Achaea, Aigialeia, Selinus river delta plain, Boura foothills, Gulf of Corinth south shore2
Crete, Heraklion2
Peloponnese (Argolis)2

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Verified80 Widely accepted2 Contested1

Thrace, Hebros (Evros) delta, Lake Kaminia-Lysimachia harbour, Gulf of Saros

Thrace, Xanthi, Bulustra (Bouloustra) lagoon, Abdera harbour, Gulf of Vistonis2

Achaia, Bouras Plain, Selinous delta near Rizomylos1

Aetolia-Acarnania, Nafpaktos1

Attica, Athens, Acropolis north slope1

Attica, Athens, Ancient Agora, Agoraios Kolonos hill1

Attica, Athens, southeast of Acropolis, Ilissos plain1

Hypothetical1

Unverified0

Pseudoarchaeology1

Heritage

UNESCO World Heritage only

Excavation

Excavated29 Partially excavated19 Excavation ongoing17 Submerged15 Buried4 Not applicable1

80 places · page 2 of 4

Verified

✓VerifiedUNESCO

🇬🇷 Greece · Temple complex

Temple of Hephaestus (Hephaisteion)

Classical (High Classical, Age of Pericles) · Classical Greek (Athenian)

449–415 BCE Doric 6×13 temple atop Agora Kolonos, best-preserved Greek temple, Hephaestus–Athena Ergane.

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🇬🇷 Greece · Submerged site

Cirra – Harbour of Delphi in the Gulf of Corinth

Geometric to Roman (c. 800 BCE – 400 CE) · Phocian / Delphi Amphictyony / Roman

Delphi's pilgrim harbour drowned 0.5–1 m off Galaxidi – rubble mole and silted basin beneath plain.

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🇬🇷 Greece · Submerged site

Abdera – Submerged Clazomenian Harbour on Nestos Delta

Archaic to Byzantine (654 BCE – 600 CE) · Clazomenian–Teian Greek / Thracian / Persian / Hellenistic / Roman

Philosopher's port – twin Archaic moles 50 m and 30 m at –1.2 to –3 m on Nestos palaeochannel.

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🇬🇷 Greece · Submerged site

Stryme – Thasian Harbour on the Thracian Coast, Abdera

Archaic to Classical (680–350 BCE) · Thasian Greek / Thracian

Thasian colony 7th c. BCE at Nestos mouth — twin 90 m moles at −4 m in lagoon disputed by Thasos and Maroneia (Herodotus).

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🇬🇷 Greece · Submerged site

Koroni (Pteleos) – Thessalian Harbour Submerged in Pteleatic Gulf

Archaic to Hellenistic (c. 600 – 200 BCE) · Thessalian / Boeotian / Athenian / Hellenistic

Thessalian Pteleatic harbour – 35 m Classical mole at –2 m off Koroni cape.

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🇬🇷 Greece · Submerged site

Aigosthena – Fortified Harbour of Megaris, Porto Germeno

Classical to Medieval (370 BCE – 1500 CE) · Megarian / Boeotian / Hellenistic

Megarian border fort — 18 m SE tower with original roof above 60 m mole at −2 m guarding Kithairon pass.

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🇬🇷 Greece · Submerged site

Maroneia – Submerged Wine Harbour of Thrace

Archaic to Roman (c. 600 BCE – 400 CE) · Chian Greek / Thracian / Persian / Hellenistic / Roman

Homeric wine port – rock-cut bollards and 30 m boulder mole at –2 m off Agios Charalambos beach.

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🇬🇷 Greece · Ancient village

Dimini Neolithic Settlement — Thessaly

Late Neolithic to Mycenaean (c.4800–1200 BCE) · Thessalian Late Neolithic (Dimini) and Mycenaean Iolkos area

Dimini (Late Neolithic c.4800–4000 BCE, Early Helladic 2800–2000 BCE) 5 km northwest of Volos is a fortified hill settlement 0.8 ha with six concentric stone circuit walls 2–3 m thick enclosing a…

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🇬🇷 Greece · Submerged site

Amnisos – Minoan Harbour of Knossos

Minoan to Byzantine (c. 2000 BCE – 6th c. CE) · Minoan / Mycenaean / Greek

Knossos' Minoan harbour at Amnisos — villa frescoes and 70 m quay now –1 to –3 m in surf below Eileithyia cave.

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🇬🇷 Greece · Submerged site

Lysimachia — Submerged Harbour at Hebros Delta (Thrace)

Hellenistic to Early Roman (309 BCE – 100 BCE) · Diadoch Macedonian / Thracian

Hebros delta harbour of Lysimachus's capital Lysimachia — 100 m quay at –1.8 m in Lake Kaminia salt lagoon, Thrace.

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🇬🇷 Greece · Submerged site

Lysimachia — Submerged Harbour at Hebros Delta (Thrace) — v2

Hellenistic to Early Roman (309 BCE – 100 BCE) · Diadoch Macedonian / Thracian

Hebros delta harbour of Lysimachus's capital Lysimachia — 100 m quay at –1.8 m in Lake Kaminia salt lagoon, Thrace.

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🇬🇷 Greece · Ancient city

Lerna — House of the Tiles, Argolid

Early Bronze Age Early Helladic II (c.2500–2300 BCE, site 4000–1200 BCE) · Early Helladic (Proto-Urban Aegean, Argolid)

Lerna (Neolithic–Mycenaean, House of the Tiles Early Helladic II c.2500–2300 BCE) is a low tell 6 m high on the Argolid's Lerna marsh plain near Myloi, capped by the House of the Tiles 25 × 12 m: an…

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🇬🇷 Greece · Tell

Poliochni Lemnos Bronze Age Village

Late Chalcolithic to Early Bronze (3200–1700 BCE) · Troy I–II contemporary → Aegean EBA (Poliochni culture)

Poliochni Lemnos Bronze Age Village is the fortified EBA town on Lemnos — the Aegean's earliest urban nucleus (Poliochni Azzurro–Rosso–Giallo–Verde–Rosa sequence, 3200–1700 BCE) contemporary with…

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🇬🇷 Greece · Submerged site

Helike

Early Bronze Age to Classical (c. 3000 – 373 BCE) · Mycenaean / Achaean Greek

Classical Achaean capital submerged by 373 BCE earthquake-tsunami, rediscovered 2001 buried beneath coastal plain near Rizomylos.

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🇬🇷 Greece · Submerged site

Astypalaia Harbour – Submerged Quays of the Dodecanese Port

Archaic to Medieval (800 BCE – 1522 CE) · Dorian Greek / Hellenistic / Roman / Venetian

Dodecanese butterfly island — 80 m mole and quays at −3 m beneath Querini castle hill and at Kaminakia Bay 36.5171N.

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🇬🇷 Greece · Rock art

Franchthi Cave — Koilada, Argolid

Upper Paleolithic to Neolithic (c.38,000–3000 BCE) · Paleolithic–Mesolithic Greek and Early Aegean Neolithic

Franchthi Cave (Upper Paleolithic to Final Neolithic c.38,000–3000 BCE) is a vast 30-m wide limestone cavity on the Koilada Bay cliff 10 m above the now-submerged plain, containing a 5-m stratified…

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🇬🇷 Greece · Ancient village

Sesklo Neolithic Settlement — Thessaly

Early to Late Neolithic (c.5800–3300 BCE) · Thessalian Neolithic (Sesklo–Dimini sequence)

Sesklo (Early to Middle Neolithic c.5800–4400 BCE, Chalcolithic to 3300 BCE) is Thessaly's classic tell settlement 8 km west of Volos, a 13-m stratigraphic mound (Sesklo A acropolis 100 × 80 m) plus…

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🇬🇷 Greece · Submerged site

Antikythera Shipwreck – Mechanism Wreck

Hellenistic–Late Roman Republican (ship c.80–60 BCE; mechanism c.150–80 BCE) · Greek / Roman trade – Pergamene-Rhodian sculpture cargo

70 BCE Roman freighter off Antikythera at 45 m that yielded the geared Antikythera Mechanism.

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🇬🇷 Greece · Submerged site

Delos–Rheneia Causeway – Cycladic Sacred Harbour Dromus

Classical to Hellenistic (426 BCE – 88 BCE Sulla/Mithridates sack) · Athenian / Cycladic Delian League

Sacred processional causeway 250 m linking Apollo's Delos to Rheneia necropolis — basalt slabs now –1 to –3 m on channel reef.

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🇬🇷 Greece · Submerged site

Atalante (Opus) – Sunken Lokrian City after 426 BCE Earthquake

Mycenaean to Late Roman (Opus Mycenaean – 426 BCE drown) · Locrian Greek / Mycenaean / Classical

426 BCE quake drowned Lokrian Opus — harbour mole and isthmus now 3–4 m down off Atalanti island.

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🇬🇷 Greece · Submerged site

Aitheia – Submerged Classical Harbour of Messene

Classical to Hellenistic (369 BCE – 2nd c. BCE) · Theban / Messenian Greek

Epaminondas' 369 BCE war harbour for liberated Messene — ashlar moles 260 m now lagoon reef –1 to –4 m in Voidokilia Bay.

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🇬🇷 Greece · Submerged site

Olous (Olus) – Sunken Dorian City

Minoan to Late Roman (Bronze Age – 2nd c. CE) · Minoan / Dorian Greek / Hellenistic / Roman

Dorian Cretan harbour city subsided by 2nd c. quake — walls now snorkelable in 1–3 m off Elounda causeway.

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🇬🇷 Greece · Tell

Promachon-Topolniča

Late Neolithic-Chalcolithic-EBA (c.6000-2500 BCE) · Balkan Chalcolithic-EBA (Gumelnița-Karanovo–Vinča)

Promachon-Topolniča — buried late tell/village at Central Macedonia.

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🇬🇷 Greece · Ancient village

Dispilio Lake Settlement

Neolithic (5800–3000 BCE) · Middle Neolithic — Dispilio culture (Kastoria lake dwellings)

Neolithic lakeside settlement on Lake Orestida near Kastoria, Western Macedonia, occupied c.5800–3000 BCE on timber piles and platforms.

Greece

Kinds found here

How well established

Top regions

Category

Heritage

Excavation

Tags

80 places · page 2 of 4

Temple of Hephaestus (Hephaisteion)

Cirra – Harbour of Delphi in the Gulf of Corinth

Abdera – Submerged Clazomenian Harbour on Nestos Delta

Stryme – Thasian Harbour on the Thracian Coast, Abdera

Koroni (Pteleos) – Thessalian Harbour Submerged in Pteleatic Gulf

Aigosthena – Fortified Harbour of Megaris, Porto Germeno

Maroneia – Submerged Wine Harbour of Thrace

Dimini Neolithic Settlement — Thessaly

Amnisos – Minoan Harbour of Knossos

Lysimachia — Submerged Harbour at Hebros Delta (Thrace)

Lysimachia — Submerged Harbour at Hebros Delta (Thrace) — v2

Lerna — House of the Tiles, Argolid

Poliochni Lemnos Bronze Age Village

Helike

Astypalaia Harbour – Submerged Quays of the Dodecanese Port

Franchthi Cave — Koilada, Argolid

Sesklo Neolithic Settlement — Thessaly

Antikythera Shipwreck – Mechanism Wreck

Delos–Rheneia Causeway – Cycladic Sacred Harbour Dromus

Atalante (Opus) – Sunken Lokrian City after 426 BCE Earthquake

Aitheia – Submerged Classical Harbour of Messene

Olous (Olus) – Sunken Dorian City

Promachon-Topolniča

Dispilio Lake Settlement