Rio Secreto underground river tour goes right through dark heart of Yucatan
Where I went yesterday there was no sun. There was no light. I walked, floated and swam through a half mile of pitch-black darkness while bending over to make sure my 6-foot-3 frame didn’t get gored by a million sharp stalactites. I did a tour of the Rio Secreto, one of the wildest river cruises in the world. The difference is you do it without a boat. It’s just you, a life vest, a wetsuit and a lighted helmet. That and a guide who stood between seven of us being hopelessly lost forever 60 feet underground.
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