Did you know the U.S. had a concrete battleship?
Incredibly, this concrete fortification looks like a fortress on the water.
Learn all about America's concrete battleship named Fort Drum.
When an island needed to be fortified to protect Manila Bay in the Philippines, Fort Drum was born.
Fort Drum stands as a mute testimony to the destructiveness of war.
Do you like articles about the outdoors? Click here to view more articles by Eric Nestor. You can follow him @ericthewoodsman on Twitter, The Classic Woodsman on Facebook, and @theclassicwoodsman on Instagram. You can view more Nestor Photography photos at Nestor Photography.
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