• Gallo-Roman
Wood Lighthouse (
"Phare à Bois"). • 8th-century Merovingian sarcophagi. • Many old mills. • 11th-century
Notre-Dame-de-la-Chaume abbey. • Former 13th-century
Romanesque church. •
La Trinité church (1881). • 11th-century
Cahouët Bridge (
"Pont de Cahouët"), wrongly called the "Roman Bridge" (
"Pont Romain") – it does not date from Roman times. Small bridge over the river
Falleron. • Castle of Machecoul, also known as "Castle of
Gilles de Rais" ("
Château de Gilles de Rais") or "
Bluebeard's castle" ("
Château de Barbe-Bleue"): close to the town centre are the ruins of the 13th-century castle of the town, once owned by the infamous child-murderer
Gilles de Rais ( 1405 – 1440). Nowadays, on summer evenings, one can partake of a
son et lumière show telling his story. • The "
Auditoire" (18th-century). A former court's main hall (central part), which was built in 1755. • The
Lime Kiln (
"Four à Chaux") (1857). Located on Saint-Michel Island, rich in limestone. Restored in 2001. •
Les Halles (1885). • The
Hippodrome des Chaumes (1885). • The former
Segin Distillery (1886). ==Economy==