Museum of Science and Industry (Chicago) of Progress event. For years, visitors entered the museum through its original main entrance, but that entrance became no longer large enough to handle an increasing volume of visitors. The newer main entrance is a structure detached from the main museum building, through which visitors descend into an underground area and re-ascend into the main building, similar to the Louvre Pyramid. In 1983, due to increased attendance, the museum started construction of its underground parking lot, located in three underground levels below the front lawn. Construction of the underground parking lot was finished in the 1990s. For over 55 years,
Denver Art Museum and Oceanic art collections, along with part of the Western American art collection and special exhibition spaces. The building also serves as the main entrance to the rest of the museum complex. This project doubled the size of the museum, allowing for an expansion of the art on view. The complex deconstructivist geometric design of the Hamilton building consists 20 sloping planes, covered in 230,000 square feet of titanium panels. The angular design juts in many directions, supported by a 2,740-ton structure that contains more than 3,100 pieces of steel. One of the angled elements extends 167 feet over and