Musée des Égouts de Paris

Museum in St-Germain & Les Invalides

Raw sewage flows beneath your feet as you walk through 480m of odoriferous tunnels in this working sewer museum, which will reopen in 2020 following renovations. Exhibitions cover the development of Paris’ waste-water-disposal system, including its resident rats (there's an estimated one sewer rat for every Parisian above ground). Enter via a rectangular maintenance hole topped with a kiosk across the street from 93 quai d’Orsay, 7e.

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