BIG FOOT- The Mountains Restoration Trust Youth Naturalist Program explores the world of dinosaurs with a guest speaker, a hike and crafts on Sat., Feb. 10 from 9:30 a.m. to 12:30 p.m. Children 8 to 12 are welcome. Headwaters Corner is at 23075 Mulholland Hwy., Calabasas. To register, call Susan Haugland at (818) 591-1701, ext. 181.