🇵🇹 Portugal · Submerged site
Antillia (Second Isle of Seven Cities) – Northern Variant
Portolan phantom (1435–1492) · Genoese–Portuguese cartography
Northern Antillia variant at 38°N 35°W – 150 km rectangular Seven Cities duplicated northward.
🇮🇸 Iceland · Settlement
Frisland – Zeno Map Phantom Island of the North Atlantic
Renaissance cartography (1558 – 1693 official) · Venetian–Flemish cartographic
Large rectangular phantom south of Iceland on Zeno 1558 map — mapped for a century by Mercator then erased as Faroes misrender.
🇵🇹 Portugal · Phantom island
Antillia – Phantom Island of Seven Cities
1424 Pizzigano – 1580 removal, but name lives · Portuguese–Genovese cartography + Visigoth legend
1424 Pizzigano rectangle at 35N 28W — seven bishop cities phantom that gave Antilles its name.
🇵🇹 Portugal · Archaeological wonder
Mayda (Maida) – Crescent Phantom of the Atlantic
Medieval–Modern cartography (1367 Pizzigani – 1906) · Italian Majorcan–Bristol cartographic
Much-copied Atlantic crescent since 1367 — crescent concave east at 46N 20W surviving to Admiralty 1906.