Historic fortresses and military castles worldwide

This 13th-century fortress complex combines military fortifications with Islamic palaces and gardens.

This 10th-century fortress stands on a 130-meter hill and protected the port of Málaga.

This plateau fortress was built in the first century BC by King Herod as a refuge.

This 18th-century sea fortress extends across six islands off the coast of Helsinki.

This 12th century fortress was built by the Knights Hospitaller and served as a military base during the Crusades.

The 13th century Teutonic Order construction covers 143,591 square meters and was built using 4.5 million bricks.

This fort was built in the 7th century and spans 700 hectares containing multiple temples, palaces and water tanks.

The 17th century palace compound combines Ethiopian, Indian, Arabian and European architectural elements.

This pentagon fortress from the 16th century demonstrates the evolution of Dutch defense architecture with moats and earthen ramparts.

This royal fortress on a volcanic rock houses the Scottish Crown Jewels and the Stone of Scone.

The castle complex combines Gothic, Renaissance and Baroque elements with a three-story cloak tower and painted tower.

This mountain fortress has a 36-kilometer wall with seven fortified gates and 360 temples inside.

The 16th century fortress features a circular layout with bastions and was constructed to protect the coast from French attacks.

The 10th century fortress stands on the bank of the Danube River and consists of two concentric walls with four towers.

This 14th century fortress with white exterior walls comprises 83 buildings with advanced defense systems.

The 13th century castle is integrated into a 123-meter cliff face and uses an extensive cave system.

The stone fortress from the 16th century serves as a harbor defense structure and contains military quarters.

This coastal fortress from the 19th century with hexagonal shape contains 16 million bricks and sits in the Gulf of Mexico.