Aokigahara is a forest that lies at the base of Mount Fuji. It is also known as The Sea of Trees. The caverns in the forest are made of rock an ice even when it is summer.
After the first kilometer and the known tourist attractions Ice Cave and Wind Cave, there is very little sign of human contact.
Compasses are known to fail some people by giving false readings because of the high iron in the rocks, this is said to only happen to people with commercially brought compasses as US Militery regular use the forest as a place for training practices and their military grade lensatic compasses are known to function properly.
The forest is a popular place for suicides and many people have taken their lives there. So many it as prompted the officials to place signs around urging people who have gone there with the purpose of commiting suicide to go and seek help and to not kill themselves.

The forest is known as one of the most haunted places in japan, with many ghosts and tortured spirits still roaming around. It is thought that, that much death as happened there that even the trees are filled with malevolent energy.