05/21/2014 07:42 pm ET Updated May 21, 2014

The Improbable Persistence Of Pools Built Into The Ocean

jai Mansson's photography./Flickr

Every year around this time, a small group of preservationists in Honolulu rally together to try to save a ruin of architectural history that's as improbable as it is beautiful: the Waikiki Natatorium, a massive Beaux Arts swimming pool that has been sitting in the ocean along the south shore of Oahu for the past 87 years. 

Yes, there's an Olympic sized swimming pool built into the Pacific Ocean.

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