B. This guidebook gives you information about Washington, D.C. Here you can find (1) ... texts about all the museums of (2) ... city. For example, on (3) ... page 56 you can read about (4) ... National Museum of American History and (5) ... some other museums as well. Children often go to (6) ... Natural History Museum where they spend hours learning about how life developed on (7) ... planet. Another must for (8) ... visitor to Vashington, D.C. is (9) ... National Air and Space Museum, possibly (10) ... most popular of Washington's museums and (11) ... most visited museum of (12) ... world.