Discover the sights of the big island on this guided day trip from oahu inside hawaii volcanoes national park a unesco listed site hike along a crater rim step inside a lava tube and witness the glowing red embers of kilauea volcano walk on hilos black sand beach see the misty rainbow falls stroll through akatsuka gardens and snap a pic of a 20 0000 orchid this oahu volcano tour includes a visit to mauna loa macadamia nut factory where youll learn first hand how the nuts are roasted