Such salt caves exist all over the world - in Ukraine, Hungary, Poland, Turkey, Germany and Switzerland - and are widely used by asthma patients as an alternative treatment.

In the 12th century, the practice of visiting salt caves for therapeutic reasons, or speleotherapy, was common in Eastern Europe. In the 1800s, salt miners in Poland found a more modern version of ...

Such salt caves exist all over the world - in Ukraine, Hungary, Poland, Turkey, Germany and Switzerland - and are widely used by asthma patients as an alternative treatment.

INSIDE a 13th-century mine lies the world’s biggest cave church where everything is made entirely from salt. Located 330ft below the ground, the unique chapel is built inside a complex underg… ...

The salt cave offers similar benefits to a day at the beach, Stewart says. "It just opens up your sinuses, and you feel like you're breathing better," she says.

“The salt cave has 10,000 pounds of salt, imported from Poland,” said Pam (lead image, red shirt). “It mimics the microclimate of the salt mines in Poland.