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The Caltech History & Architectural Tour Service (CHATS) is a CWC community service. Docents have been giving architectural tours of the campus since 1985. 

Anyone can join. All you need is an interest in the campus and some flexible time. We have a complete script of our tour material and give individual training to new members. If you are remotely interested, why not find out more about us? Contact us at chats@cwccaltech.org  for more information.

Community tours are given on the fourth Thursday of each month at 10:30 a.m., beginning at the entrance to the Athenaeum at 551 South Hill Avenue.

Tours last from 1½ to 2 hours and are open to all members of the Caltech community and visitors to the campus.