There’s a Pope’s lightbulb at the National Shrine. No, really—a lightbulb blessed by Pope John Paul II. It sits in a special alcove. Holy wattage.
The Exorcist Steps in Georgetown are famous. You know, those creepy stairs from the movie? Locals run up and down them for exercise. Tourists take photos and whisper “the power of Christ compels you.” Spooky cardio.
Visit the Mansion on O Street. It has 100 rooms, 70 secret doors, and a hidden Dolly Parton museum. Yes, a room dedicated to Dolly Parton. You can play her guitar. Slow clap.