Lidzbark Warmiński, Italy
The Heilsberg transmitter (German: Sender Heilsberg) was a large radio transmitting station operated by the Reichs-Rundfunk-Gesellschaft between 1930 and 1945 in the German Province of East Prussia. It was sited approximately 3 kilometres (1.9 mi) northwest of Heilsberg (known after 1946 as Lidzbark
Warmiński), on the road to Preußisch Eylau (Bagrationovsk).
Listen to the audio guide for Transmitter Heilsberg Free on WIP — starts by itself when you arrive, even with the screen off