The Karl May Cave, also known as the Little Iron Cave, is located in the Waldenburg Upper Forest near Hohenstein-Ernstthal. Originally a mine tunnel dating back to 1620, it was later used as a shelter. In 1869, Karl May hid here when he was wanted for theft. Five years later, he mentioned the cave in his story "The Rose of Ernstthal." It was officially named after him in 1933. During the GDR era, it was closed to the public. Today, however, it can be easily visited again and serves as a reminder of the famous author.