Please wear comfortable shoes and dress for the weather. Children under age of 18 must have a ticketed adult present to join the tour. Unaccompanied minors cannot be accommodated If you arrive after tour start time, you may have difficultly locating the group after they have begun walking. Plan for prompt arrival so as not to miss the group. To reach the group leader in an emergency, you may try calling (202) 370-1830. DC by Foot tours go out rain or shine and lasts about one hour and 45 minutes. If you have any questions about the event or venue, please contact DC by Foot at (202) 307-1830.