- Half-day Predjama Castle and Postojna Cave tour from Ljubljana
- Visit Predjama Castle, the world's largest cave castle, independently or with a guide
- Admire the ancient stronghold's artifacts and artwork, and learn about the secret tunnel of Erazem
- Explore Postojna Cave and get up close to its spectacular stalactites, stalagmites and caverns
- Ride a mini-train into the 13-mile (21-km) network and tour its highlights with a local guide
- Numbers limited to eight people, ensuring a small-group experience with personalized attention from the guide