What it is: Château de Vincennes
Where it is: Château de Vincennes – avenue de Paris 94300 Vincennes – 94 (map)
When it’s free: First Sunday of the Month – November 1 to March 31
10:00 AM to 5:00 PM
How to get there: Château de Vincennes M1 or Vincennes RER A
What it is: Arc de Triomphe
Where it is: Place Charles de Gaulle – 8e (map)
When it’s free: First Sunday of the Month – November 1 to March 31
10:00 AM to 10:30 PM
How to get there: Charles de Gaulle – Étoile M1, M2, M6 or Charles de Gaulle – Étoile RER A (There is an underground passage from the Champs-Elysées)
What it is: Panthéon
Where it is: Place du Panthéon – 5e (map)
When it’s free: First Sunday of the Month – November 1 to March 31
10:00 AM to 6:00 PM
How to get there: Luxembourg RER B or Cardinal Lemoine M10
What it is: Tours de Cathérale de Notre-Dame de Paris
Where it is: 1, place du parvis Notre-Dame – 4e (map)
When it’s free: First Sunday of the Month – November 1 to March 31
10:00 AM to 5:30 PM
How to get there: Cité M4, Saint-Michel M4 or Saint-Michel – Notre-Dame RER B, RER C
What it is: Conciergerie
Where it is: 2, boulevard du Palais – 1e (map)
When it’s free: First Sunday of the Month – November 1 to March 31
9:30 AM to 6:00 PM
How to get there: Cité M4
What it is: Sainte-Chapelle
Where it is: 4, boulevard du Palais – 1e (map)
When it’s free: First Sunday of the Month – November 1 to March 31
9:00 AM to 5:00 PM
How to get there: Cité M4