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Photo: Infrogmation of New Orleans, CC BY-SA 3.0 via Wikimedia Commons
The remains of a US Civil War fortification. Usually fenced off behind locked gates. Once a year, it is open to visitors for free on "Camp Parapet Day" in November.
Camp Parapet was a Civil War fortification at Shrewsbury, Jefferson Parish, Louisiana, a bit more than a mile upriver from the current city limits of New Orleans.
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