Pavillon de Breteuil 1
Science Exhibition

Pavillon de Breteuil

Sèvres

🔬Don't miss the antique instruments collection
🚪Usually closed, only open during heritage days

The world's measurement standards live in a 17th-century pavilion commissioned by Louis XIV. Tour the BIPM headquarters, stroll French gardens, and peek at the meter prototype that defined global precision.

Scientific heritage site
Louis XIV architecture
Historic meter prototype
Antique instrument collection