One of the oldest and largest castles with a long and complex history: The Citadel of Aleppo in Syria
Trail of the Eagles’ Nests: 100 mile chain of 25 medieval castles largely turned into picturesque ruins over the centuries
The stunning Storkyrkan or “The Great Church“ is the oldest church in Gamla Stan, Sweden, dating back to the 13th century
Great drone footage: Team of master builders & archaeologists are attempting to construct Guédelon castle