Forest Stand of Ilixidor (ee-licks-e-door)

A grove of ancient trees stands high above the surrounding woodlands, reaching out towards the heavens several hundred feet above the shaded grass below. These trees mark the location of fantastical place of healing and seeking of oneness with nature. Though many seek this place, it is not easily found. Being in the presence of these trees can cure nearly all ailments and has been credited to magic, the divine, and pure chance.
During the Current Arc, the Stand exists within the old Elven Greatwood. This vast expanse of dense forest stretches high itself with a thick canopy that shields the Stand from many visitors. The clerics of Lynto, the Goddess of Life, claim the Stand as a holy site in Lynto's name. They have a mythology for the origin of the Stand:

Lynto, the Goddess of Life, the Bringer of Joy, the Source of All Light, the Creator of Souls, watches over us. She wants us to feel joy, to never feel illness or pain. Other Gods, her rivals, seek to undermine her in those goals, but Lynto provides for those that are most faithful.
One day, Rench, the Goddess of Trickery, created a plague in a forest town. This plague spread rapidly and killed many. Refugees quickly were required to leave the town and spread to others around. The refugees, however, were not welcome. The towns could not accept potentially sick refugees. A Cleric of Lynto who lived in one of these towns, took pity on the refugees, and spent a night in prayer attempting to reach Lynto. But reach her he did.
Lynto told the Cleric that he should take the 17 seeds she provided and plant them in a circle. After a day, he should return to the planted trees with the refugees and place them inside of that circle. The cleric did as instructed, finding a place deep in the woods to plant the seeds. That night, after the cleric left, Lynto visited the circle and raised the trees high, up and up into the heavens. These trees would serve both as beacons and as storage for the amount of Life needed to cure such ailments.
The next day, the Cleric brought the refugees to the circle. There the Cleric found trees as tall as the sky. One by one, the refugees entered the circle and by the time they had walked to the other side, all signs of sickness were gone. They were cured.

Before the Lyntoans, though, the grove sat firmly within the Old Elven nation that occupied the Greatwood. For the elves, this was a place to connect with Nature and the Fey. They surmised that the Stand, which was ancient before the elves ever encountered it, drew it's healing powers from the land of the Fey, and made anyone that entered it whole again. Because the Fey was regarded with great respect, though, the Stand was rarely used. The Old Elves preferred more mundane methods of caring for the sick.
This changed when a particular Elven King tried to forge alliances with the outside world. In order to gather friends and allies, the King would make assurances, share knowledge, and share power with their new allies. One such boon given in exchange was the knowledge of the Stand. The King's name, Ilixidor, still bears the mark of that decision centuries later.
Of course, neither of these tales are true.

Type

World wonder