Waimea Valley on Oahu’s North Shore is both a botanical garden and a cultural landscape central to Hawaiian history. Long before becoming a public garden, it was among Polynesia’s most productive farming communities, sustained by rich volcanic soil and rain and known for prized pink taro cultivated alongside other crops, fish ponds, and planting beds. The valley also became one of Oahu’s most important sacred places after being given to the high priests in 1092, with major heiau linked to the Pa'ao priesthood. In the nineteenth century, changes in religion and land ownership transformed Waimea, which today unites conservation, recreation, and enduring temple and agricultural sites.