Gillette Castle State Park
Gillette Castle State Park, 67 River Rd, East Haddam, CT 06423, USA
About
Gillette Castle State Park is a quirky medieval-style mansion built by _Sherlock Holmes actor William Gillette._ Explore its secret doors and unique woodwork on guided tours ($6 adults, $2 kids 6–12). The park is free to access and offers hiking trails, picnic spots, and river views, perfect for a family day out. Tours run Memorial Day through Columbus Day; booking ahead is recommended.