The missions were often poorly defended, and were threatened by pirates who sometimes raided coastal settlements.
Mission San Buenaventura, at Ventura, was threatened by the French pirate Hippolyte Bouchard in 1818. Residents took their valuables and herds and moved inland several miles until the danger passed.
Which mission is said to be haunted?
La Purísima Concepción is reputed by many people to be haunted. It has been featured on paranormal television shows Ghost Adventures and Ghost Hunters, and visited by the Los Angeles Paranormal Association.
The mission, located in Lompoc California, is a California State historic landmark and is operated as a living history museum.