Brandenburg an der Havel, a city in the German state of Brandenburg, boasts a rich history and a plethora of abandoned buildings, making it a haven for urban explorers. From the ruins of the former prison camp in the Genshagen forest to the crumbling remains of the Marienberg castle, there are countless opportunities for those who seek to uncover the secrets of the past. But the city's urban exploration scene doesn't stop there, with numerous other abandoned buildings and hidden gems waiting to be discovered.