What to do with Inherited License Plate Collection? -- Good Questions

Pin it Q: My grandfather, who loved to travel around the US, collected license plates. When he passed away about 15 years ago, I took his box of old license plates. I don't remember how many, but it's an impressive collection with most states represented. They've been in storage since then but I'd love to figure out some way to display them. However, when I look around the Internet, everything I see is pretty...tacky...