Most national capitals are their nation’s largest city. The American capital is a bit of an anomaly: Washington, D.C., doesn’t even crack the top 15. Yet, despite its comparatively smaller size, it has an embarrassment of riches, including more than 70 museums. Covering a wide array of topics, they can entertain and inform you on everything from art to postage stamps to espionage. Read more about the top five museums in Washington, D.C. >