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top five historic venues to explore — in the world — smithsonian.com

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What a hidden gem! This is a crazy, wonderful, secret hotel and museum. We did the Espionage Treasure Hunt, and really appreciated that it made us slow down and enjoy the space. Our family spent two hours, but easily could have spent the day. Love that the purchase of art and collectibles supports the arts. Our 19 year old son joined us. He is a difficult one to impress. He was impressed. Now we are hoping to book a room when we visit next year. The owners and staff were delightful people, as well.

— Tallah Tracy

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Fascinating and fun venue! Creative, quirky and beautiful at same time.

— Lisa Clark

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Love your place and continue to show to new people! Yesterday was my third visit in 5 years.

— David Sacks

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O Mansion is a hidden gem in DC that has been around for a long time. There are so many places for your eyes to go,I know that I have to go back again. And thanks for hosting a wonderful GoT series finale party! We had so much fun!

— Tasha
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