Tropical, dense, and a little wild — Key West's green spaces double as bird sanctuaries and butterfly houses.
A glass-enclosed tropical habitat with hundreds of free-flying butterflies, flamingos, and a waterfall, right in the middle of Old Town — a favorite with families.
Ruins of a Civil War-era fort reclaimed by a lush tropical garden of orchids and native plants, with ocean views over Higgs Beach and far fewer crowds than the main sights.