I found this around the same time that I started looking into historic photography techniques. The guys have built a large scale camera obscura and mobile development lab in an old truck. They are doing wet plate photography as they drive across America.
On a basic level, it's very inspiring photography. On a technical level, it's quite an interesting and impressive feat.
This is the latest in the series:
Watch the other videos too as they explain the process.
Edit: Video embedded