Guides by Lonely Planet
Berliner Unterwelten
After you've checked off the Brandenburg Gate and the TV Tower, why not explore Berlin's dark and dank underbelly? Join Berliner Unterwelten on its 'Dark Worlds' tour of a WWII underground bunker (available in English) and pick your way through a warren of claustrophobic rooms, past heavy steel doors, hospital beds, helmets, guns, boots and lots of other wartime artefacts.
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