Roger Williams Mausoleum

The Roger Williams Mausoleum was opened in 1927 by Thomas Cullinan. Cullinan's daughter operated the mausoleum after his death with money he had left behind to keep the mausolem in good condition. 13 years later she passed away Once they passed away, they left no money or anyone to take care of the mausoleum and it became abandoned. After the mausoleum became abandoned, there are two stories about bodies being left behind:
One was that someone found some old files and realized that their were five bodies still remaining in the mausoluem and contacted people to remove the decaying bodies.
The other was about urban explorers who had found 2 bodies while exploring and called the police to get them removed. 

History:
https://www.wpri.com/target-12/new-push-to-get-abandoned-dead-out-of-crumbling-ri-mausoleum/
https://abandonedonline.net/location/spring-grove-mausoleum/

Photos:
https://abandonedonline.net/location/spring-grove-mausoleum/
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​Access: 
I think after finding the bodies, the mausoleum is very blocked off, but it's definitely worth a try.