Sensing our fragility , Highway 101 arranged itself in a downward arc .
In no time we had entered the Avenue Of The Giants , a 30 - mile incision into a forest of towering redwoods , the tallest and oldest living structures on Earth .
Sensing our fragility , Highway 101 arranged itself in a downward arc and in no time we had entered the Avenue Of The Giants , a 30 - mile incision into a forest of towering redwoods , the tallest and oldest living structures on Earth .