Now, if ever you’re in Lebanon, whatever you do don’t miss out Jeita Grotto, which is just 15 minutes outside Beirut in a car. It’s title is in the singular, but the grotto actually refers to a ‘system’ of two separate (though interconnected) karstic limestone caves. The upper one is mostly dry and gigantic; the lower one features a river, is generally smaller in size, but it’s length is a full seven kilometers (!), which is five kilometers longer than the upper cave.
Here’s the upper cave: