As The Simpsons celebrates a landmark episode, a tour of creator Matt Groening's hometown reveals the real-world Portland landmarks behind characters like Ned Flanders and Sideshow Bob.
The 800th episode of the longest-running primetime scripted show in U.S. history — The Simpsons — is scheduled to air on Sunday. This milestone installment of the nearly 40-year-old animated series finds the family in Philadelphia. But much of the sh... [4179 chars]