The best hidden things to do in San Francisco include sipping craft cocktails at a secret speakeasy (like Bourbon & Branch), listening to the tidal music at the Wave Organ, exploring the interactive Gregangelo Museum, and sliding down the historic Seward Street...

You finally have a long weekend in San Francisco. No kids in tow. No strict schedule. Just you, maybe a friend or partner, and a city that people call “the Paris of the West.” But here is the honest truth:...