New Salem, United States of America
Bear's Den (also called by the name of its most outstanding landmark, Bear's Den Falls) is a 6-acre (24,000 m2) nature reserve in New Salem, Massachusetts. The reservation is close to the Quabbin Reservoir and is owned by the Trustees of Reservations.
Listen to the audio guide for Bear's Den Free on WIP — starts by itself when you arrive, even with the screen off