This article is also featured on GPSmyCity. To download this article for offline reading or create a self-guided walking tour to visit the attractions highlighted in this article, go to "Walking Tours and Articles in London." Welcome to London, an astonishing fusion of historical splendor, modern allure, and unrivaled vibrancy. Known as the world financial powerhouse, London also boasts an immense history, iconic landmarks, and a food scene that would make any foodie salivate