Old New-Gate Prison & Copper Mine

The first chartered copper mine in early America (1705) and, from 1773, Connecticut's first state prison. A visitor center, outdoor prison yard, historic ruins and guided tours down into the abandoned mine, plus a rotating prison arts program and the Connecticut Hall of Change. Designated a National Historic Landmark in 1973. Open seasonally, roughly May-October, Fri-Mon 10 a.m.-4:30 p.m.; admission $10/$8/$5, free under 6 and active military. Phone (860) 653-3563.