The world’s deepest underground hotel is located in a silver mine right next to The small town of Sala (Sweden), the silver mine is believed to have been operational since Medieval times and was closed in 1908. The mine reached a depth of 300 meters, and a length of almost 20 kilometers.
The hotel allows people to sleep 155 meters underground in an cool and a bit dark suite, the silver mine surroundings also include immense caverns and underground lakes. just beautiful.
For more information visit Wikipedia – Sala, Sweden
Google map of the sala Silver Mine:
Next 2 Photos by the amazing Gruvtroll (visit website)