General Grant National Memorial
largest Mausoleum in the US.
inside are the remains of Gen. Ulysses S. Grant
he was a general of the Union Army during the American Civil War and then eventually became the 18th president. The collodion (wet plate) photographic process reached its peak during this war.

4x5 Ambrotype
Meridian 45A
Ysarex 150mm

The top part of the photo peeled off during my final wash.
I wish the couple weren't in the frame but I had to rush the shot before the plate dried.