Gallery O on H offers DC’s most unique indoor-outdoor gallery and event venue. It is a space where art, architectural integrity and the unexpected come together to honor the past and celebrate the present by delivering the authentic experience you were hoping to find for your wedding, celebration or event. All of the buildings center around a landscaped, 2-level Courtyard, illuminated by Italian-style overhead lights.The Courtyard can be fully tented. Rental fees include the exclusive use of the entire venue. The unique layout of Gallery O on H easily configures to seated or standing events Gallery O on H is located in the Atlas Arts and Entertainment neighborhood in the 1300 block of the historic H Street corridor.