Read the excerpt from Passage $2$ and the dictionary entry.

Downtown, where the Bordens lived, must have had an interior logic, but it is gone now, lost to demolition, fires and the intrusion of Interstate $195.$ Even so$,$ the city has a curious charm. What's left of the old breaks the monotony of the new; and once out of the business district, the streets are bosky. $($paragraph $4)$

curious kyo $?$ore$-$as$$ adj $1.$ eager to learn more $2.$ excessively interested in private affairs $3.$ arousing interest because of novelty or strangeness $4.$ accomplished with skill

Which definition best matches the meaning of curious as it is used in this excerpt?

Definition $1$

Definition $2$

Definition $3$

Definition $4$