If you’re looking to enjoy some of nature’s most beautiful scenes in the form of rushing water, the waterfalls in Slovenia ...

"After a week of preparations above and underground, the ‘cavenauts’ are set to explore a cave in Slovenia where they will live and work for six days," the ESA website says. Course designer ...

The river runs into several underground chambers ... If you’re interested in caves, the Postojna Cave is the second-longest cave system in Slovenia at 24.34 km long and is one of the biggest ...