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

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First time visitor and my family was blown away by the uniqueness of this museum. Hunting for the secret doors and the "gems" on the sheet kept us engaged from the moment we stepped off the elevator on the fourth floor until we left 2:5 hours later. Having found 17 hidden doors, my family felt like real sleuths. What a treasure O Street Mansion is! We can't wait to bring our friends and come back again to explore more.

— Dawn Darr

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Ted and his co-hosts were fantastic! We wanted him to accommodate a larger group for our time slot (12, compared to the max of 10), and they were very responsive. They made it easy to schedule, there were no problems, and our group had a lot of fun exploring! We split into many smaller groups and bumped into each other randomly through the hidden doors. It was a lot of fun, would recommend for anyone who has never tried this type of attraction before.

— Ethan Huang- Plainsboro Township, NJ

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Better than expected! Loved the vibe and decor! Enjoyed meeting the owners! Will definitely be back!

— Lori

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Our team truly enjoyed the Mansion on O st. experience. The staff were friendly, the hunt was exciting and so much fun. Thank you for a lovely time, centered around fun and curiosity, that brought our team together.

— Sallie Strueby from School Readiness Consulting
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