A former sea fort in the US now looks like something from a post apocalyptic thriller years after it was abandoned, having once been an important point of defence during the Civil War.
Fort Carroll sits in the middle of the Patapsco River just south of Baltimore, Maryland.
In 1847, Maryland gave the War Department to build the 3.4-acre artificial island in Soller's Point Flats.
It was constructed to protect Baltimore, which had come under threat by the British in the War of 1812 and became an important part of the strategically significant city.
Fort Carroll was originally supposed to have a massive arsenal of 225 cannons across three levels, but was a long way from being completed when the Civil War began in 1861.
Troops were sent to the island again in the Spanish-American War of 1898, though by this time its guns were outdated and obsolete.
Three new batteries were built, though these were only completed in 1900, by which time the war had already concluded.
When the First World War broke out, the faux-island's guns were gradually stripped away, leaving it with no armaments by 1920.
That year, the army abandoned the site and removed any remaining military equipment before it was declared excess property in 1923.
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In 1958, the fort was bought by wealthy Baltimore attorney Benjamin Eisenberg for $10,000, with plans to transform it into a unique casino.
But the project never came together, and the site was added to Maryland's National Register Properties in 2015.
Fort Carroll remains private property, but is totally deserted.
It's also designated as a protected marine area and is off limits to the public.
However, visitors have been known to flout ordinances to reach the base and take in its eerie aura.
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