Make a Day of It True spas, with saunas, steam rooms, and a whole lot more, these are places you wouldn’t mind building a day around. Argentta Spa at the Watergate There’s a lot going on at the swanky Argentta. A lengthy menu includes such treatments as “sleep-encouraging” mas­sages, Icelandic moonflower scrubs, and happy-hour manicures … Continue reading Our 23 Favorite Day Spas in Washington