14th Annual Smithsonian Magazine Photo Contest Natural World
Looking into the pitch black Union Dam Tunnel from 1902.
A day hiking along the Patapsco River in Maryland led to some interesting finds.
Photo Detail
| Date Taken: | 11.2016 |
| Date Uploaded: | 11.2016 |
| Photo Location: | Ellicott City, Maryland, United States of America |
| Copyright: | © Carrie Moore |