Every now and then, go down a different path
Le Passe-Muraille (the Passer-Through-Walls) by Marcel-Aymé in Paris.
Le Passe-Muraille is the title of a story by Marcel Aymé about a man named Dutilleul who discovers that he can (you guessed it) walk through walls. The statue is situated in a place named after Marcel Aymé in beautiful Montmartre.
See more surprise here.