***Postojna Cave and **Predjama Castle were both quite worthwhile (they’re 10 minutes apart, take the time for both). We took a day trip from Ljubljana, which I’d recommend - it took all planning and stress out of the experience. The caves
Ljubljana is the capital and largest city of Slovenia, which doesn’t make it particularly large - the population runs around 300,000, of which 50,000 are reportedly college students. It’s a rather charming, cheerful place that’s great for a long weekend
**Lake Bled and Bled Castle Tour: this was a very low key excursion, there and back in about four hours. We booked a tour on Viator. It’s famous for its beauty - and it is pretty, a small natural lake