Second empire style, also known as the napoleon iii style or haussmann style, is a highly eclectic style of architecture and decorative arts originating in the second french empire. It flourished during the reign of emperor napoleon ii. It was characterized by elements of many different historical styles, and also made innovative use of modern materials, such as iron frameworks and glass skylights. · also known as napoleon iii style, french second style, or mansard style , second empire architecture originated in france during napoleon iiis reign. Where did the second empire come from? Discover its distinctive features, such as mansard roofs, classical elements and intricate details, and see six of the best examples of this style. What is the second empire style? See examples of mansard roofs, dormer windows, brackets and decorative elements on public and private buildings in la crosse, wisconsin. Second empire architecture is a 19th-century style defined by mansard roofs, dormer windows, and ornate facades. Originating in france under napoleon iii, it became a global symbol of elegance and urban progress. How did the second empire style evolve? Second empire style , also known as the napoleon iii style or haussmann style, is a highly eclectic style of architecture and decorative arts originating in the second french empire. Second empire style , architectural style that was dominant internationally during the second half of the 19th century. His urban renovation projects, which expanded pariss beautiful boulevards and parks, played a significant role in shaping the citys iconic look. · learn about the second empire style, an architectural movement that originated in france and spread to other parts of the world in the 19th century. · learn about the features and history of the second empire style, a popular architectural revival in the late 19th century. What makes second empire architecture unique?