Exhibits display local plants and animals. Two 600-gallon aquariums allow you to see the underwater worlds of the salt marsh and the tidal flats. Glass cases highlight various features of Cape Cod natural history. The gift shop specializes in natural history books for adults and children. Other items for sale include note cards, posters, photographs of local birds, jewelry, toys, and tools for exploring the natural world such as observation jars and hand lenses.
Dedicated volunteers maintain a butterfly garden just outside the front doors of the nature center.
Flowers are planted according to their ability to attract butterflies and hummingbirds. Various species may be seen from May through November. The Wellfleet Bay Wildlife Sanctuary maintains a small campground for people who have been members of the Massachusetts Audubon Society for at least one year. A large trail map and a recent sightings board allow you to read about what plants and animals have been seen and to choose a trail to walk during your visit. Silver Spring Trail - borders a small fresh water pond.