Carlsbad December 26, 2024 6:15 pm Mount Calavera in Carlsbad is a volcano A popular hiking spot in Carlsbad actually sits on an ancient volcano. NBC 7’s Francella Perez found out the hills you walk today were forged from incredible geologic forces. US & World Videos 3:53 San Diegans welcome 2025 with celebrations across the county 2:22 San Diego has one of the highest inflation rates 2:20 Crowds flock to Gaslamp Quarter to celebrate New Year's Eve in San Diego 0:47 A Dirty Business: Preparations underway for Monster Jam 2:41 ‘This is Chula Vista's decade': City's game changers set to come online in 2025