The Kazumura Cave lava tubes on the Big Island of Hawaii are popular tourist attractions to visit where you can explore one of the oldest, longest, and deepest caves in the world. But make sure to follow your guide and don't get lost or wander off course or you may stray down the wrong path and find yourself trapped in a bottomless black abyss with monsters that should remain in the darkness because the very sight of them will certainly drive you insane.
