If you're interested in learning about past civilizations, head to Musee de lEphebe. Study its unearthed objects and gain an insight into the rituals and cultures of people from long ago.
This exhibition of human history in Cap d'Agde is well-liked by fellow travelers, so make a spot for it on your schedule. Don't think the sightseeing ends there, however. There are loads more spots waiting for you to explore after Musee de l'Ephebe. Cap d'Agde Beach, Fort de Brescou, and Aqualand Cap d'Agde are nearby.