Congress Hall at the Nazi Party Rally Grounds is an imposing structure situated in Nuremberg, Germany. It's a stark reminder of the megalomania of the National Socialist regime and is one of the largest architectural remnants of the Third Reich. The construction of Congress Hall began in 1935 as part of Adolf Hitler's vision for the rally grounds. This colossal structure, designed by Ludwig and Franz Ruff, was inspired by the Roman Colosseum, embodying National Socialist architecture's monumental scale and grandeur. However, unlike its ancient model, Congress Hall was intended to be a modern, fully enclosed structure. With a planned capacity to accommodate up to 50,000 people, it was envisioned to be the most massive congress and convention hall in the world. The exterior of the Congress Hall is a circular brick building, spanning approximately 500 meters in diameter. Its façade consists of 88 granite pillars, each 39 feet high and 2 feet in diameter, that provide a rhythmic repetition around the structure. The building's unfinished state, with the steel skeleton of the planned glass ceiling visible, offers an eerie glimpse into the past. Inside, the Congress Hall is an immense open space. The building's unfinished nature leaves much of its interior exposed, revealing the starkness of its architecture. The documentation center, added in 2001, is a stark contrast to the original design with its modern, glass-and-steel design cutting through the north wing. The Congress Hall was never completed due to the outbreak of World War II, leaving it as an unfinished project of the Nazi regime. Today, it houses the Documentation Center Nazi Party Rally Grounds, a museum that offers a critical examination of National Socialist history. Apart from its historical significance, Congress Hall is also a place of interest due to its engineering. Despite being unfinished, it has withstood the test of time and the elements, in part due to its solid construction and use of durable materials like brick and granite. Despite its dark past, the Congress Hall serves as a sobering reminder of the destructive power of ideologies and a testament to the resilience of humanity. It stands as a monument to a history that should never be forgotten.