"The Smithsonian’s network of museums is underscored as an enormous, low‑cost cultural resource for couples visiting the nation’s capital, with the article noting that its 21 museums are free; visitors should remember to apply in advance for timed‑entry passes required at certain sites." - Patricia Doherty Patricia Doherty Patricia Doherty is a writer who specializes in covering destinations, resorts, and cruises for Travel + Leisure and other publications. Travel + Leisure Editorial Guidelines