Fondation Dosne Thiers 1
History Exhibition
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Fondation Dosne Thiers

Faubourg Montmartre, Paris

🏛️Only open during Heritage Days — plan ahead
🤔Google reviews seem to confuse this with an elderly care facility

A secret 9th arrondissement mansion that rarely opens its doors. When it does, €12 gets you inside a genuine Parisian time capsule most locals never knew existed.

Historic mansion setting
Literary heritage site
Quiet neighborhood gem
Hidden Paris landmark