Pu'uhonua O Hōnaunau (Temple of Refuge at Honaunau) is located on the Big Island of Hawaii: this site was once the traditional seat of the Hawaiian kingdom of Kona.
Laying on a lava shelf that dips into the Pacific, the refuge was established by at least the 15th century.
Warriors, fugitives, and taboo breakers escaped death if they reached the site ahead of their pursuers; after remaining a few days and performing religious services, they were free to depart, protected by the Gods.
I took this photo of kiʻi (carved images) protecting the very sacred ground.
On the left is the heiau (temple) which once held the consecrated bones of 23 great chiefs of Hawaiʻi.
It was believed that the mana (spiritual power) of the chiefly bones would offer additional protection to an already powerful place.