The Mansion on O Street

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2020 O St NW
Washington, DC 20036
+1 (202) 496-2020
http://www.omansion.com
• “The Coolest Place in DC” by booking.com • Top Seven Hotels in D.C. — Forbes Magazine • # 1 for meetings & events in the world — event mb • Top 5 historic venues to explore in the world— smithsonian • Historic Site on The African American Heritage Trail With our themed rooms, secret doors, art, music and architecture The Mansion on O & O Museum is one of the most unique and creative environments in the world. Our mission is to empower people to do what they love — dare to be different — and have fun. We inspire creativity, diversity, and imagination through the fusion of the arts, science, and sports. As a non-profit museum, events venue, and boutique hotel we provide a nurturing environment that inspires guests to open their hearts and minds. Guests are encouraged to explore themselves, engage with others, and experience how we can each be unique and similar at the same time when they visit.

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4.0437 reviews
Photo of Evan P.
Evan P.
11/5/2025

I've lived in DC for 15 years and this has to be one of the coolest and most unique experiences I've had in DC. The Mansion On O Street provides history, intrigue, pop culture, and shopping all in...

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Alison G.
8/12/2025

What a cool and unique experience! The hubby and I went here on 7/23/2025; we went on a Wednesday at about 10am and although other people were at the mansion, it was not crowded which is why we...

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Christopher M.
7/21/2025

If you're a lover of Odd Experiences, Pop culture artifacts, and pop culture antiques.... You will love this place. My only regret is that I didn't come prepared ... Everything you see is for...

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Erika P.
10/28/2025

What a BLAST!!! This is an absolute must-visit when coming to DC area! Over 100 rooms with dozens of hidden doorways and rooms! All filled to the brim with memories and memorabilia - nearly...

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Nina P.
11/20/2025

A hidden gem in Georgetown -- a hotel turned museum! It's full of eclectic rooms filled with vintage pieces and collectible items you can actually purchase. I had a lot of fun discovering all the...

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