Castle of Falaën

Castle of Montaigle is a castle in Belgium.

Castle of Bioul is a castle in Belgium.

Castle of Crèvecœur (French: Château de Crèvecœur) is a ruined cast

Annevoie Castle (French: Château d'Annevoie) is a château in the v

Castle of Annevoie is a castle in Belgium.

The castle of Freÿr with its Le Nôtre gardens are located on the l

Naulette is a large cavern on the left bank of the Lesse, which joins

Castle of Crupet (French: Château de Crupet, also known as the

Rumkale was a powerful fortress on the river Euphrates, 50 km

Tsarevets (Bulgarian: Царевец) is a medieval stronghold located on a h

Tustan  was a Medieval cliff-side fortress-city and customs site of

The Rock of Cashel (Gaeilge. Carraig Phadraig), also known as Cashel

Hammershus is Northern Europe's largest medieval fortification,