@Guaranteed cave admission ticket, no need to make reservations yourself
Postojna Cave + Cave Castle (Jackie Chan's filming location) [Two people + one person can be booked]
Duration: 6 hrs
English
FromAU$ 196.78
Explore the Škocjan Caves, a World Heritage Site, which gives the "karst" its name, and marvel at the colorful stalactites and vast underground canyons!
Slovenia Skocjan Cave + Piran one-day tour
Duration: 8 hrs
English
FromAU$ 212.96
Trieste Walking Tour with Audio and Written Guide by a Local