Italy
Competing with the Smithsonian for top castle status in the District is the Victorian mansion of Christian Heurich, who immigrated to the states from Germany to become a wildly successful real estate baron and brewer. He also holds the title of world's oldest brewer, having kept up his work until hi
s death at a ripe age of 102. It's a striking example of Victorian architecture and design, and even if you don't make it to a tour, there's a nice Victorian garden in the back open to the public M-F 10AM-4PM, spring-fall.
Listen to the audio guide for Heurich House Museum Free on WIP — starts by itself when you arrive, even with the screen off