MTA Metro-North Railroad has teamed up with The Municipal Art Society of New York (MAS) and Orpheo Inc. to provide daily docent-guided tours of the terminal. The 75-minute tour highlights the history, architecture and operation of one of the world’s biggest train terminals. Tickets are $20 for adults and $15 for seniors, students, children under 10, members of the military, Metro-North riders bearing same-day ticket stubs, and MAS Members.