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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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I thoroughly enjoyed every second of our tour and exploration of the Mansion at O street! Most of all, I enjoy the ingenuity and creativity of the people who make the O what it is.....a sustainable ongoing celebration of the arts and a way to give back to our community, in a big way. (The collection of donated items is such a brilliant and lucrative way to recycle treasures large and small.) I am thankful that you recognize and support our Military Community. It means so much!

— Beth Armagost

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My husband and I had a great time. What a unique place to visit. We have never seen anything like it. The rooms are each so different and decorated beautifully! The staff is super friendly. We managed to find 17 secret doors. We are excited to come back and look for more with family when they come to visit.

— Jean Krivjansky

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This was a unique experience. So many things to look at and very fun trying to find all the secret doors. Would definitely recommend checking this place out.

— Michelle Dierdorff - US

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If was funny experience to find the secret passages. I did battle allergies due to another paper. But it was an adventure and amazing parts of history to see.

— Mary Harris from NIH
LBE
Local Business Enterprise
SBE
Small Business Enterprise
Our Certifications
CBENumber: LSZR30942082022
DZE
Development Zone Enterprise
ROB
Resident Owned Business