This is the 13369th most frequent Russian word.
навестила
"Visited" (past tense, feminine).
In this sentence, 'навестила' indicates a past action of visiting someone, specifically the grandmother.
Она навестила бабушку вчера.
She visited her grandmother yesterday.
Here, 'навестила' describes the action of visiting friends in a specific location at a specific time.
Вчера я навестила своих друзей в их новом доме.
Yesterday, I visited my friends at their new house.
In this question, 'навестила' is used to inquire about the act of visiting a place, particularly a museum.