If museums are on your list of things to see in Hrádok, then you might want to head to Hradok Castle. If you want to experience more of the culture Hrádok has to offer, head to Hrad Tematín.
If visiting museums in Moravany nad Váhom is on your list, you might want to visit the upcoming exhibitions at Chateau Moravany nad Vahom. If you want to see more of the museums in Moravany nad Váhom, Balneological Museum isn't far either.