Redwoods are synonymous with the forests of Northern California, but nestled in the foothills of Orange County, hundreds of miles south of their native range, you can find a three-acre oasis of these tall wonders in Southern California. Dating to the mid-1970s, these trees were saplings being given away by a local bank. The leftovers were donated to the county, which planted them in the shadow of the Carbon Canyon Dam. At less than 50 years old, the tallest among this group is only almost 100 feet tall, dwarfed by…