Recursive Islands and Lakes

At first I was slightly disappointed by the definiton, but not anymore after scrolling through the list.

> Islands in lakes on islands in lakes on islands in lakes

> Moose Boulder was claimed to exist in the seasonal pond of Moose Flats on Ryan Island in Siskiwit Lake on Isle Royale in Lake Superior in the United States.[17] In 2020, an expedition to the island found that it is potentially a hoax, along with the aforementioned seasonal pond

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> Lakes on islands in lakes on islands in lakes

> Only one such lake is known

> 62°39′5.8″N 97°47′11.8″W

> There is, even further, an island in that lake, making it the only such island in the world that has been discovered so far.