St. Vitus Cathedral, Rijeka

If you plan to visit the tunnels, check for the entrance fee, which is usually around 5 EUR.

Don't miss the unique stained glass windows and the cannonball from the Napoleonic Wars lodged in the wall.

Don't miss the chance to capture photos of the cathedral's intricate details, especially in the afternoon light.

Take your time to admire the unique Gothic and Baroque elements of the cathedral; it's a significant architectural gem.

Make sure to check out the covered upper porch for a closer look at the intricate design details.

The underground tunnels are not very impressive and can be quite dark, so prepare accordingly.

Take time to explore the architectural details of the cathedral; it's rich in history.

Be mindful of the visiting hours, as they can vary.