🏰 Bateria de Castillitos in Cartagena, Spain is like stepping into a fairy tale with its castle-like fortress perched on a mountain overlooking the sea. 🌊 Built in the 1930s for defense purposes, the battery features massive guns that can launch projectiles over 35 kilometers. 💥 Visitors can explore the military buildings, tunnels, and underground facilities while enjoying breathtaking views of the bay and surrounding area. 🏞️ Accessible by car, hiking, or cycling, this unique spot is definitely worth a visit for those seeking a bit of adventure and history in a picturesque setting. 🚗🚶‍♂️🚴‍♀️

It can take you a couple of hours to visit it (more if you want to take a lot of photos). 📸