Denison Pequotsepos Nature Center is off I-95 exit 90, .5 mi. n. on SR 27, 1 mi. s.e. on Jerry Brown Rd., then .5 mi. s. to 109 Pequotsepos Rd. This nature center features a natural history museum and a 300-acre wildlife sanctuary with 10 miles of well-marked trails, including a path to the Mystic Aquarium. Exhibits include both live and mounted animal specimens native to Connecticut. More than 160 species of birds have been identified within the sanctuary.
Programs and events are scheduled throughout the year. Nearby at 162 Greenmanville Ave. is Coogan Farm where guests can enjoy nature along 45 acres of trails and exhibits.