It’s Cheaper than Disney World
Art museums can present familiar ideas in abstract ways, which is kind of exactly what you want when trying to be innovative. Along that same vein, think of a metaphor that accurately describes your business model, and then think how you could extend that model in the context of the metaphor. Alternatively, incite something that disrupts business-as-usual and challenge yourself to make it work.
On an even more basic level, just the act of going shopping can be useful as well, as comparing and contrasting the hundred brands of vanilla wafers can put your brain into an analytical space. But something as simple as a long car drive can do the trick too, because any quiet situation that allows your mind to wander can be a chance for creativity. When you are back at the workplace, set up a suggestion box system that actually allows people to do some experimentation before bringing their idea forward. For more details, you can read Clark’s full article here: https://www.americanexpress.com/us/small-business/openforum/articles/6-unexpected-places-to-look-for-innovative-ideas/