On the way from Sevilla to Lisabon is “Muelle de las Carabelas” – small “museum” with 3 replicas of Columbus’s caravels, that you can visit to feel how it is to be on the board of such a small ship:
There is no such a site in POIs of navigator, it appears the best is to point navigator to Monasterio de La Rabida and follow 1 or 2 sings on your way.