Don't know what is this fall's name, just saw it and stopped the car, then took the photo
Rainbow fall at the Waluku river state park
Kilauea Iki Overlook (Kilauea Iki is a pit crater situated next to the main summit caldera of Mount Kilauea. Located about 400 feet above the caldera floor near the Thurston Lava Tube. The overlook features views of the 2 mile wide, 3 mile long Kilauea Caldera. In next two pictures, Kilauea Caldera is where is smoking)
Thurston Lava Tube
1974 lava flow at Hawaii Volcanoes National Park