TIL that in 1924, a tunnel network was discovered underneath Washington D.C. Speculation behind the network’s origins included a Confederate hideout or a liquor depot for bootleggers; they were actually dug by the Smithsonian Institute’s entomologist Harrison G. Dyar, who ‘did it for exercise’.

Read more: https://architectofthecapital.org/posts/2016/11/6/dupont-circle-tunnel-digger

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  1. Honey, you gotta do your exercise!

    But mom, it’s tiring, and it’s dark all the time!

    Nonsense, take a lantern with you or something. Now grab the shovel and go dig the tunnels.

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