Washington DC is not a big city and with limited space, most pieces of land don’t stay abandoned or empty for long. One of the exceptions to that general rule is McMillan Sand Filtration Site. The site was once a fully functional water treatment plant run by the US Army but it was decommissioned in the 1980s and since then it has remained empty but it won’t be for much longer. Get a glimpse of this mysterious abandoned site before it changes forever.

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McMillan Sand Filtration Site is not the only abandoned place in Washington DC. Check out this creepy asylum!

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