Ключевые слова: adventure, america, california, canyon, county, creek, dense, fern, fern canyon, flora, forest, gorge, grass, green, humboldt, jungle, landscape, moss, mountain, narrow, national, national park, natural, nature, north, north america, nps, park, park usa, prairie, prairie creek, redwood, redwoods, river, scenery, scenic, slot, slot canyon, state park, stream, trail, united states, us, usa, vegetation, wall, water, west, western, wilderness,