No ancient aliens, but Atlantis was there, and these guys are barking up the wrong tree, and making a living doing it.
They do sometimes point out Atlantis stuff, claiming it´s from ancient aliens.
Check out Graham Hancock, John Antony West (rip), ancient architects and unhcarted x yt channels.
Lots of interesting stuff out there, but no aliens. None. Drop that crap, it´s bs.