540 West Madison is a 1.15 million-square-foot LEED Platinum office building. The dynamic geometry and building orientation create a distinct presence. A landscaped public entry plaza is located along Madison Street. "Tallix," a two-story sculpture by Joel Perlman, highlights the spacious lobby. The second floor hosts tenant amenities, such as a fitness center, a conference center, a media room and a dining facility. The sixth floor includes a roof garden that uses a rainwater irrigation system.