Near Injun Hollow and Canal Roads is the site of the former Haddam Neck, aka Connecticut Yankee, Atomic Power Plant. To log this find, upload a picture of yourself with what's left of the plant in the background.
https://en.wikipedia.org/wiki/Connecticut_Yankee_Nuclear_Power_Plant
http://www.nytimes.com/1996/10/10/nyregion/connecticut-atom-plant-likely-to-close.html
http://articles.courant.com/2006-12-03/news/0612030141_1_advisory-panel-connecticut-yankee-significant-developments
http://www.connyankee.com/html/about_cy.html