Firefighters work to extinguish a fire that scorched 21 acres at Irvine Regional Park in Orange on Sunday, July 5. Investigators believe the blaze may have been sparked by fireworks.

Just shy of the size of Disneyland, Irvine Regional Park was the first of its kind in California. But there are still those who don't know about the gem in their own backyard that offers a full ...

The then-160-acre park was called Orange County Park, but its name was officially named for its donors in 1928. On Oct. 1, Irvine Regional Park will mark 125 years since its founding.