📜 Small military fortress built in 1790 on Ptak mountain. 🔍 Named after Emperor Charles VI, it guarded the Prussian-Austrian border. # Why Go 🏰 Explore historic ruins of an 18th-century fort ⛰️ Enjoy stunning panoramic views of Stolowe Mountains 🚶 Access via well-marked hiking trails # 🅿️ Parking Parking available near the fort, followed by a short hike.