B. Scott Holmes

Just trying to stay alive and keep my sideburns too

Grande Hotel d' Europe

Twain remarks that the gondola he rode in belonged to the Grand Hotel d' Europe, so I assume that is where he stayed while in Venice. I did not find a listing for this hotel on Google but I did find the Hotel Londra Palace of Venice operating in 1853.

45.434093475342, 12.343357086182