Yes, the Richat Structure is what remains of Atlantis!
On the North-Western edge of the Sahara desert (in present-day Mauritania) is an anomaly known as the Richat structure. Establishment scientists have long tried to dismiss it as a geological formation. But many Redditors and Youtubers have persuasively argued that this indeed is what remains of the Atlantis described by Plato, and mapped by Herodotus. Here are some more cogent arguments by a Redditor. Here is an even better write-up by Lee McQueen. Not much to add here. But what...

























