In 2008 the Cold War Museum Stevns Fortress opened to the public. It features a large exhibition of military equipment and a 1.5-hour guided tour in the large underground system of the fortress. The underground system of the fortress features of tunnels, living quarters, command centers, hospital and even a chapel. And in addition two ammunition depots for its two cannons. The tunnels are below surface excavated in the chalk of Stevns. This top secret fortress was built in 1953 and remained operational until 2000.