I picked photography because my only other option was gardening, and I can't keep plants alive
Ah - photography.  The art and practice of creating images and memories.  Not to worry - what do you want to know about photography?
What was the first photograph a picture of?
Based on history of photograph, the first photo was done in 1717 which captured cut-out letters on a bottle of light sensitive slurry.  It has definitely evolved to what we see today.
Huh, that's really cool! Thank you for sharing! Who took that first photograph?
Someone by the name of Johann Heinrich Schulze.  
That sounds like it's maybe German?
That's right!  He was a German professor from the Duchy of Magdeburg.