The Ivy Hotel

In a 19th-century mansion in the historic Mount Vernon area, this luxe boutique hotel is 1.5 miles from the National Aquarium.
Elegant, individually decorated rooms come with free minibars and Wi-Fi, along with gas fireplaces, and bathrooms with heated floors. All provide coffeemakers, designer toiletries and iPod docks; some add 4-poster beds, and/or balconies with courtyard views. Plush suites...