Turn day to night as you step down into the dark depths of Kaneana Cave. Armed with a sturdy headlight and a taste for adventure, there's no telling what you might find down there.
Located in Waianae, this natural underground attraction is well worth including on your itinerary. But you'll find tons more to explore in this area. Makaha Beach Park, Hawaii Polo Club, and Mokuleia Beach Park aren't too far away from Kaneana Cave.