Théâtre de la Huchette
This tiny Rive Gauche venue has been staging the titanic Romanian-French writer Ionesco's The Bald Soprano and The Lesson since 1957: before the COVID-19 pandemic, it held the world record for a nonstop theater run with 19,000 performances viewed by more than 2.5 million people. The two classics play Tuesday through Saturday, and you can see both shows on the same day for €43; Wednesday shows have English subtitles. Other productions are also mounted, and single tickets cost €29.