Originally the home of famous hostess and socialite Marjorie Merriweather Post in the 1950s, this glamorous estate in northwest DC has a world-renowned decorative art collection, multiple landscaped gardens and woodlands, and a stunning collection of Russian Imperial art, including many Faberge eggs.  The Museum hosts many cultural events: from displays of Post's Cartier jewels to Russian folk festivals, there is a packed calendar to enjoy year-round. You can arrange for a tour in advance, or purchase tickets at the entrance.  Check website for hours and suggested donation.

hillwoodmuseum.org