Adult Group Tours:
Each adult group tour request requires a minimum of 20 people; submit the adult group tour request form a minimum of two weeks prior to the requested tour date (please do not send requests more than 6 months in advance). Tour dates fill up fast, so please send your requests as early as possible.
If you prefer not to use the online form, send written requests to the tours and reservations office via fax at 202-633-1957 or via email at email@example.com or via the postal mail address.
If you are interested in arranging a school group tour, please see information on School Group Tours.