This article is part of the Hipmunk Hotels Campaign   Who wants cookie cutter accommodations when you can have a one-of-a-kind experience at a luxury boutique hotel? Teeming with history and rich with tradition, the nation's capital, Washington D.C., does luxury boutique like no other. Here you will find hotels that has found a way to infuse swanky, modern, and chic aesthetics with historical heritage, and signature services that will undoubtedly leave guests with an unforgettable experience. Here are 5 luxury boutique hotels in Washington D.C. The Hay-Adams Nestled in the heart of Washington D.C., the historic Hay-Adams hotel overlooks...