It is said that "silence - gold," but there is room in the state of Minnesota in the U.S.
that is so quiet, that over time you will be there just unbearable.
Room blocks 99.99 percent of external sounds, and nobody has been able to make more than 45 minutes of being in it.

Most peaceful states. The Institute for Economics and Peace recently issued the first ranking of peaceful states in the United States. Rankings were based on factors such as violent crime, incarceration population and the costs associated with violence. Check out the 10 most peaceful states in the nation.