Len Davidson has been passionate about creating and preserving neon signs for more than 40 years. And during the dark days of the pandemic, he created a shiny new attraction for the city—the Neon Museum of Philadelphia. The museum, which is located in the NextFab building in Olde Kensington, is home to120 of his150-piece neon collection, including vintage commercial signs, animated signs and one-of-a-kind artworks.