This is the 761st most frequent French word.
culturel
Relating to culture.
In this sentence, "culturel" refers to something related to the arts and intellectual pursuits as provided by the museum.
Le musée propose une riche expérience culturelle.
The museum offers a rich cultural experience.
In this case, "culturel" relates to activities meant to share and learn from different cultures.
Il participe à un échange culturel entre étudiants.
He is participating in a cultural exchange between students.
Here, "culturel" pertains to the variety and richness of traditions and lifestyles within a population.