Don't have enough time to get out of Paris, but want to walk the grounds of a medieval French fortress which isn't swamped with tourists, then this is the place to be. Situated in the 12 arrondissement of eastern Paris, this 13th century palace contains all the features one would want to see in a fort. From it's high walls and fully protected moat to its dungeon and chapel, no one this was once the residence of (Saint) Louis IX.
The chateau can be directly accessed from the Metro yellow line 1 and the grounds themselves are freely open for visitors to parade about. Tickets are available for purchase to visit the museum and exhibits within the buildings.