The road appears to lead to Mauna Kea. You can just see the peak in the background center. No color was added to this photo. The green and orange that are under the milky way are city lights of Waikaloa and a little air glow.
The gate to this park is closed at 6:30pm. It's a shame, because of the spectacular view of the milky way and stars
This was shot prior to all the volcanic activity earlier this year on the big island. The caldera at Kilauea has since emptied. This amazing sight is no longer visible from the visitor center.