Marylebone, a famous residential area for the wealthy in London in the 19th century.
In this not particularly large area, the essence of Britain's art, culture, education, and environment was concentrated.
The Royal Academy of Arts, St. Marylebone Church, Regent's Park, as well as the London Zoo and Queen Mary's Rose Gardens within Regent's Park, and surrounding them, the British Museum and Arthur's alma mater, the University of London.
Of course, there is also the future pilgrimage site for detective novel enthusiasts—Baker Street, where in a few decades, the statue and museum of Sherlock Holmes will be established at the very Marylebone crossroads Arthur had just passed.
And just five years later, Madame Tussauds, the French socialite who had moved to London, would establish her first wax museum here, preceding the great detective Holmes.