Erdstalls Tunnels: Central Europe’s last great mystery

Across Europe, there are hundreds of underground tunnels that, apparently, lead to nowhere and about which any historic records have ever been found. They are mostly located in the southern German state of Bavaria and the nearby Austria, where they are known by the German name “Erdstall”, which literally means “place under the earth”. Locally, […]

Erdstalls Tunnels: Central Europe’s last great mystery