Alepotrypa means "foxhole" in Greek and is a huge system of caves in Greece. It is the place where the story of Hades began. A lake inside the cave is thought to be the passageway where the dead goes to the next world. The cave had been forgotten for a long time until a man on a fox hunt found it again. Rituals and burials took place in the cave 600 years ago. This is shown by the artifacts and pottery that were found inside. There were also 170 bodies found in the cave.
Actun Tunichil Muknal is a cave in Belize that is considered to be the doorway to the Mayan underworld, which they called Xibalba. Inside, people were sacrificed by having their heads cracked open and being left where they fell. To get to the cave, you have to swim through water up to your neck. The cave is full of mineral deposits because of the water. This has had the amazing effect of gluing the victims' skeletons to the cave's floor and turning them into sparkling crystals. One of these crystals is called the "crystal maiden."
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Even though it is called "hells of Beppu," this is a popular and beautiful place known for its natural beauty. On the hills of Beppu in Oita, Japan, there are several hot springs and streams of boiling water. The hells of Beppu have everything from a beautiful sea hell with blue water to a blood pond hell called Chinoike Jigoku that has red water. Unfortunately, even though the place is beautiful, it is now known as a place where people were tortured and killed.
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Not the radioactive element, but a cave in the city of Hierapolis, which is now the Turkish city of Pamukkale. People also think of the cave as the way to Hades or Pluto's gate. Locals found a shrine to Pluto at the site, which they called a "demon's hole."
It was recently discovered near the ruins of an Apollo temple. During the excavation, the plutonium was found on top of a natural opening that lets carbon dioxide out. When researchers were digging, they saw that birds that got too close to the cave suffocated and died.
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