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#1 for meetings and events in the world — event mb
top five historic venues to explore — in the world — smithsonian.com

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This was such a unique and fun experience! There's so much to look at and explore, I just know I'll notice different things if I go back 5 more times. We felt like kids exploring all of the rooms, colors, textures, trinkets, etc. Was blown away to learn that this is also a functional hotel! Would love to stay there one night.

— Auralynn Rosario - New York, NY

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We had a wonderful evening at the Mansion on O Street, and everything was absolutely fabulous for our event! Thank you to the entire team for ensuring a truly wonderful evening.

— ali corwin from Center for Strategic and International Studies

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Great place to spend a Saturday

— Guillermo A Menjivar - Springfield, VA

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It is a place to come back to. There is so much to discover. Lots of fun for any age person.

— Grace M Dickerson
LBE
Local Business Enterprise
SBE
Small Business Enterprise
Our Certifications
CBENumber: LSZR30942082022
DZE
Development Zone Enterprise
ROB
Resident Owned Business