📜 A marble slab in Paris, one of the original standard meters from the French Revolution. 🔍 Located at 36, rue Vaugirard, it marks a pivotal moment in measurement history. # Why Go🏛️ Witness a unique historical artifact 💡 Learn about the origins of the metric system 🚶 Easy to combine with a visit to Luxembourg Garden # Why Avoid👀 Easy to miss, small and unassuming # Tips➡️ Look to the right of the arcade when facing the Palais du Luxembourg.