multiple waterfalls of the palikea stream running through volcanic rock at the seven sacred pools

palikea stream volcanic rock igneous black flowing oheo gulch seven sacred pools hana maui hawaii usa haleakala national park road bucket list america erosion scaevola taccada trees tropical green travel tourism sight nature outdoors hiking landscape scenic water vacation environment ecosystem beauty waterfalls rainforest hazy overcaast bridge serenity tranquil solitude cliffsides mountains cascading