The chamber, 820 feet long, is the largest yet discovered in Dark Star. The entire cave system is a geological ... lying alone in what would become his tomb. “LARISA!” I yell, but the sound ...

I glance at my guide, Brian Kakuk—one of the world's foremost cave divers. He appears unfazed ... inland blue holes are the scientific equivalent of Tut's tomb. From a diver's perspective ...

The national historic site is a group of horizontal cave tombs built in the late Kofun ... each was believed to have had dark green stone planks as doors. I was surprised that the site is open ...