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Roman-Germanic central museum (Römisch-Germanisches Zentralmuseum) – Roman, Medieval, and earlier artifacts
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Antique Maritime Museum (Museum für Antike Schifffahrt) – the remains of five Roman boats from the late 4th century, discovered in the 1980s
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Roman remains, like Jupiter's column, Drusus' mausoleum, the ruins of the theatre and the aqueduct
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Mainz Cathedral of St. Martin (Mainzer Dom) – over 1,000 years old
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The Iron Tower (Eisenturm, tower at the former iron market) – a tower from the 13th century
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The Wood Tower (Holzturm, tower at the former wood market) – a tower from the 14th century
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The Gutenberg Museum – exhibits an original Gutenberg Bible amongst many other printed books from the 15th century and later
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The Mainz Old Town – what's left of it, the quarter south of the cathedral survived World War II
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The Electoral Palace (Kurfürstliches Schloss) – residence of the prince-elector
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Christ Church (Christuskirche) – built 1898–1903, bombed in ’45 and rebuilt in 1948–1954
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The Church of St. Stephan – with post-war windows by Marc Chagall
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Citadel