Tuesday, May 31st – Tijuana River Regional Park, San Diego, California - Day 110 We woke up to ants all over the floor of our trailer. They were tiny little ants and they were moving in vey orderly lines all over the trailer floor. We cleaned the whole trailer of ants as thoroughly as we could. Gen prepared a concoction to kill them. The kids went off to play with their friends on the play structure. Our first stop was the Cabrillo National Monument, next to downtown San Diego. The Spanish explorer Juan Rodriguez Cabrillo, in 1542, was the first European to set foot on the west coast of the USA and establish a colony. The visitor centre explored the impact on Indigenous populations and the extent of the Spanish efforts to explore the continent. The monument was on a cliff looking over downtown San Diego near the place where he first arrived. We hiked up to the lighthouse to admire the views. You could walk up almost to the top of t...