Liège
With its 17 bunkers linked together, the fortress of Eben-Emael was considered impregnable—or so the Belgian army thought.
Boncelles Fortress
A concrete ventilation tower in the middle of a meadow is the only sign of Fort de Boncelles' presence in Seraing.
- Suitable for Explorers on Foot
- Contains Background Information
Read the full story for members
- Get access to the full story and all photos of hundreds of destinations.
- Unlock all the practical information you need to plan a legal visit
to this venue, including GPS coordinates, address, public transport etc. - Discover nearby destinations and over 600 destinations, including this one, on a detailed map.
Become a member unlock full access for € 50 a year
Already subscribed? Log In
Plan your visit for members
Discover more
Find sites in
or discover more
Get the latest stories straight to your inbox
Related articles
Grand Est
Fort Vaux in Verdun has become a symbol of the heroism of the French soldiers who braved days of siege and shell attacks by the German army during the First World War.
Latest from the blog
In Italy, the 25th Olympic Winter Games are getting underway. One of the most spectacular disciplines in the Games since the very beginning is ski jumping.
All photos and stories are copyrighted. Of course, linking to articles on the site is possible and allowed.
If you would like to use photos or articles from this website, please contact bart@hiddenmonuments.com.
© 2003-2026 Hiddenmonuments.com