Kastellet, Pentagon-shaped citadel in central Copenhagen, Denmark.
The fortress features five bastions connected by ramparts, surrounded by water-filled moats and accessed through two monumental gates with decorated facades.
Dutch engineer Henrik Ruse designed and completed the military fortress in 1667 following the Swedish siege of Copenhagen to strengthen the city defenses.
The Citadel Church from 1704 contains specialized sound holes in its walls that allowed imprisoned soldiers to hear religious services from their cells.
Visitors can enter through permanent bridges at the south entrance and follow marked paths to explore the grounds, church, powder house and commander's residence.
The 1847 windmill at King's Bastion remains functional and continues to produce flour, maintaining its original purpose from when the fortress needed supplies.
Location: Copenhagen Municipality
Inception: 1662
Architectural style: Baroque
Website: https://forsvaret.dk/da/side/kastellet
GPS coordinates: 55.69161,12.59357
Latest update: May 27, 2025 06:55
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