I took a short vacation over the last week to visit a few amusement parks (I have hobbies other than sidewalk photography). While we were walking through the sprawling queue of Flight Deck, a roller coaster at Canada’s Wonderland, my husband suddenly pointed at the ground. There was a contractor stamp. I held up the line for a few moments to take this photo, muttering aloud to myself that everyone must be wondering what this crazy woman is doing.

Flight Deck opened under its original name, Top Gun (yes, that Top Gun) in 1995, so this stamp dates to the ride’s original construction. Upper Canada Construction doesn’t have a Web presence, but Google suggests a company by that name currently exists in York, Ontario, which is close to Canada’s Wonderland.