8th Annual Smithsonian Magazine Photo Contest Natural World
The longest slot canyon in the United States - Buckskin Gulch.
The longest slot canyon in the United States - Buckskin Gulch.
Photo Detail
| Date Taken: | 05.2009 |
| Date Uploaded: | 11.2010 |
| Photo Location: | |
| Copyright: | © Silvia Vilarinho |