For our first day of hiking in Death Valley for our Fall 2016 trip, we spent the morning attempting to enter Upper Mummy Canyon. That proved to be a failure, because there were four dry falls in between the end of the canyon and Jensen Bridge. So we exited the area and moved on to another hike.
In the afternoon, I finished exploration of a certain area which I had been planning to check out for some time now. These efforts were rewarded by experiencing some beautiful slot narrows. The highlight came when I hiked into a deep and high section of slot narrows which was pitch black inside. Only light at the very top was visible (at times). To my surprise, I hiked around a bend and found a previously undocumented major natural bridge. This newly discovered natural bridge would be nearly impossible to see unless somebody had a flashlight with them while hiking through, as I did. The natural bridge of conglomerate rock spans all the way across the slot canyon. But because the area is pitch black, it is challenging to photograph the bridge. Above the bridge is a cavern-like area where the slot canyon expands, thus I have temporarily assigned the name Cavern Bridge to the new natural bridge. Here is one teaser photograph.