Discover the history and most important buildings of San Javier The free “Vía Herculea" guided tour, which on this occasion is offered in Spanish, starts at 10.00 on May 18 at the San Javier Museum, where participants can learn about the town's history from the very early days as well as getting to know about some illustrious people born in the municipality. The items exhibited here, such as an aeroplane donated by the San Javier air base..