Koreshan State Historic Site Koreshan State Historic Site is the location where Cyrus Teed founded a utopian religious community on the banks of the Estero River. The Art Hall and Founder's House still stand today, and can be visited. Recreational activities such as hiking and canoeing are also available here. Address: US 41 at Corkscrew Road Estero FL 33928 1 239 992-0311