"Altgeld's castles" are buildings in the Gothic Revival style in five Illinois universities, all built at the initiative or inspiration of Illinois Governor John Peter Altgeld. During his term as governor, Altgeld expressed certain opinions on how buildings should be erected in the state of Illinois. In his second biennial message to the state legislature, he discussed how buildings were being constructed without consideration for their outward appearance. He stated that it was time for buildings to become more aesthetically pleasing in addition to being functional, and he suggested the "Tudor-Gothic style" as the most inexpensive way to do this. Consequently, several of the state universities in Illinois erected buildings which resembled castles in his honor. College folklore states that these buildings have aligned corridors and rooms so that they could all be “put together” to create one large building, but there is no evidence to support this rumor.
Altgeld Hall, built in 1896 at the cost of $40,000, is the oldest surviving building on SIUC’s campus. It originally housed the library and laboratories for the departments of physics, chemistry and biological science, and a gymnasium. Following a major remodeling project in 1958, Altgeld became the home to the School of Music, like at ISU. From 2002 until 2004, the building underwent a massive renovation, to preserve the building from the weather damage it had received.
The University of Illinois at Champaign-Urbana is home to Altgeld Hall, a castle-style building constructed under the order of Governor John Peter Altgeld. It was completed in 1897 by the architects Nathan Clifford Ricker and James White.
Like the building on Illinois State University’s campus, the Governor wished it to be built in a Tudor-Gothic style, but due to outside pressure it was given a more Richardsonian Romanesque style. The Board of Trustees initially adopted the classical design by prominent Chicago architect Daniel Burnham. Altgeld's opposition to the classical design ultimately caused Burnham's withdrawal from the project.