The Portuguese palace of Quinta da Regaleira hides a rather unusual architectural feature – two initiation wells plunging 88 feet (26.8m) below ground, each encircled by a gothic spiral stone staircase to create an enormous subterranean tower.
Descending into the wells, there’s a tiled floor at the bottom decorated with the symbols of the Knights of Templar, which could explain why these wells are believed to have been the sites of covert initiations into secret societies…
