From coast to coast, destinations around the U.S. are welcoming new museums, attractions, and hotels focused on families.

For megafans of megastars like Madonna and Mariah Carey, obsessive collecting is an emotional, not a financial, investment.

Fred Lucas is chief news correspondent and manager of the Investigative Reporting Project for The Daily Signal. He is the author of “The Myth of Voter Suppression: The Left’s Assault on Clean ...