Two years ago in August, my best friend and I decided to take a road trip to Maine. Our first stop was Buffalo, where Expedia had found us a charming boutique hotel called “The Henry.” To reach the hotel from the interstate, Siri led us on a winding industrial route far from the center of town. Suddenly we faced a sprawling, red brick institution. It turned out that The Henry was fashioned out of an abandoned insane asylum. Once inside, it was fresh, bright and cozy, with dazzling art on the walls and charming architectural details. Sadly, the desk attendant found no reservation for us and the hotel was full.…