The stairs appear to have been supported by a grid-like network of bowling balls. Olson counted 158, mostly blue and black, with a handful of "pink and black lady balls," he said.

These bowling balls were no April Fool’s joke. Used by professionals, the scented bowling balls changed the game. Bowlers could choose from scents like chocolate, blueberry or black cherry.

Bowling balls don’t emit greenhouse gases; they don’t leach anything into the earth or water. Unfortunately, they’re still a neon sign warning of the harsh realities of recycling.