Washington has some of the highest rates for a hotel room in the U.S.: We'll point you to DC's Cheap Sleeps, from Dupont Circle's Windsor Inn (where rooms start at $89)  to shared rooms (starting at $25) to private rooms (starting at $79) at Washington's Hostelling International Hostel, to house or apartment-swapping and other options. From Foggy Bottom's Bread and Chocolate to Georgetown's Old Glory Barbecue, the authors list dozens of places where a good meal can be had for $10 or less See some of the many films in the Library of Congress for free at the Mary Pickford Theater, where the offerings range from classic features to documentaries on a variety of topics; in other programs there, authors discuss film-related books and directors screen and discuss their films.