I thought this Tokyo museum would be a major tourist trap. It ended up being a highlight of my first trip to Japan.

TeamLab Planets in Tokyo has become one of the most-visited museums in the world. Kazuhiro NOGI/AFP/Getty Images When I went to Japan for the first time, everyone recommended I visit teamLab Planets. The immersive art museum has become immensely popular on social media. I thought it was a tourist trap designed for Instagram, but the exhibits made me feel like a kid again. There comes a time when every millennial must decide whether to get really into running or go to Japan. My fiancé and I ...