Coverage · France
Nantes
Nantes sits where Brittany meets the Loire, shaped by ducal power, Atlantic trade, and the imagination of Jules Verne, who was born here in 1828. A 12-metre mechanical elephant roams the former shipyards, a 19th-century arcade defies gravity across a 9.4-metre slope, and a 90-metre underground passage confronts the city's history as France's leading slave port. Few French cities pack this much contrast into a riverside walk.
40+ researched places in the app
Places researched in this city
A selection of the 40 places we've researched in this city. The full set is in the Parroo app.
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Castle of the Dukes of Brittany
Anne of Brittany, twice Queen of France, grew up inside these walls, and the castle that François II rebuilt in 1466 still stands with 500 metres of curtain wall and seven towers. Today it houses the Nantes History Museum, opened after a full restoration completed in 2007.
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Cathedral of Saint Peter and Saint Paul
Construction started in 1434 and finished in 1891, making this one of the longest religious building projects in French history, at 457 years. Its nave is taller than that of Notre-Dame de Paris, and it houses the elaborate tomb of Duke François II.
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Passage Pommeraye
Built between 1840 and 1843 to replace a notoriously unsanitary neighbourhood, this neoclassical arcade solves a 9.4-metre drop between two streets with a grand cast-iron staircase and a glass roof. Allegorical sculptures line every level, and the whole thing feels like a stage set that never came down.
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The Machines of the Isle
A 12-metre, 48-tonne mechanical elephant carries 50 passengers through the former Dubigeon shipyards, which closed in 1987, blending Jules Verne's storytelling with Leonardo da Vinci's engineering logic. The same team added a 25-metre carousel of mechanical sea creatures in 2012.
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Memorial to the Abolition of Slavery
Nantes was France's busiest slave port in the 18th and 19th centuries, and this 7,000-square-metre memorial along the Quai de la Fosse confronts that directly. A 90-metre underground passage lined with 2,000 glass plaques bearing ship names and port records runs beneath the quayside, inaugurated in 2012.
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Graslin Theatre
This neoclassical theatre hosted what is claimed to be Europe's first jazz concert in 1918, decades after its inauguration in 1788 and its rebuilding following a fire in 1796. Architect Mathurin Crucy designed the eight-column Corinthian facade for an auditorium that still seats 780 today.
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Le Lieu Unique
The LU biscuit factory that once produced the famous Petit Beurre opened in 1895 with two ornate Art Nouveau towers; one was demolished during 1970s renovations, the survivor stands 35 metres tall above a national arts centre that opened in 1999 and now draws nearly 600,000 visitors a year.
Good to know
- How many places does Parroo cover in Nantes?
- 40 researched places, from the Castle of the Dukes of Brittany and the Cathedral of Saint Peter and Saint Paul to lesser-known spots like Le Lieu Unique, the former LU biscuit factory turned arts centre. Each one has a short summary, a full article, and a ~3-minute audio story.
- Is there an audio guide?
- Yes. Every place has a ~3-minute audio story, written from the perspective of a guide standing next to you and produced with premium narration, not the article read aloud.
- Which languages is Nantes available in?
- German, English, and French. Pick whichever you'd rather read or listen in.
- Do I need to book anything or be online?
- No booking, no signup. It's a self-guided walk you start whenever you like. You do need a connection for now to stream the audio and load articles; offline support is something we're still building.
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Updated: 2026-05-29