Deep Sleep, the world's deepest hotel, is located in Wales at a depth of 419 meters, it is an exclusive hotel built in an abandoned slate mine.
The source details that a night's stay there costs $688.
To get to the hotel, you have to walk through old mine shafts for more than an hour. Moreover, to get to the mine, you have to go through the mountains for about an hour, and after reaching the place, you have to prepare to go down to the mine.
In the world's deepest hotel, the temperature is always constant at ten degrees Celsius. There is drinking water, electricity and Wi-Fi.
It is noted that the world's deepest hotel was previously located in one of the Swedish mines at a depth of 154 m.