In the Yucatan ,for instance, people have had the experience of losing themselves in familiar areas. Sometimes for 4 or 5 hours, one case some 10 years back a little girl was gone for 4 days ,a medicine woman brought her back, if you have night time acess to places like Palenque or Chichen Itza, you have a pretty good chance of having an experience. As to what these doors are, they seem to be traveling dorrways, shifting windows in time and space. The ancients could open them through mantra
