hallett peak signs
In spite of the signs, we saw many people approaching the turtles quite closely.
Taking Chain of Craters Road to the ocean takes you through several lava flows, each with a sign indicating when it happened. Until you arrive where the flow entirely covers the road. This sign is superfluous, as you have to hike several hundred yards to reach it.
Yes, I'm fascinated with warning signs.
A sign at one of the many parking areas along the rim.