Divers have descended more than 722 feet into a Brazilian lagoon without ever hitting the bottom, leaving the true depth of this site a total mystery. The site, known as Lagoa Misteriosa or Mysterious Lagoon, is located in Jardim, in the state of Mato Grosso do Sul, and it has recently gained significant attention on Reddit, Daily Dot reported. A post on the r/thalassophobia subreddit recently pulled in 7,200 upvotes for highlighting the locatio…