Important Tour Policies Smithsonian Study Tours Study Tours in Washington, D.C., and the Mid-Atlantic region. Tours go rain or shine.
Fees are all-inclusive.
Only animals providing assistance to a participant with a disability are permitted on tours. Tours depart on time and do not wait for anyone not on board. The minimum age is 14. Participants under 18 must be accompanied by an adult who, at the start of the tour, must sign a release assuming responsibility for the young participant. Itineraries are subject to minor change.