Lush green foliage surround the base of the Redwoods in the Avenue of the Giants in the Humboldt Redwoods State Park of California. The Humboldt Redwoods State Park offers nature walks during the summer months which are led by park naturalists or rangers.You can also drive through the Humboldt Redwoods State Park on an auto tour which is self guided and has interpretive signs along the way to stop at.