Halloween Nights Fun
Date & Time
Fri Oct 24 2025 at 04:00 pm to 11:00 pm
UTC-04:00Location
2020 O St NW, Washington D.C., DC, United States, Washington, District of Columbia 20036 | Washington, DC
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Details
This Halloween weekend celebrate the BOO season on this zany journey around the museum. Come in costume and have a spooktacular time exploring our 100 room Museum — decorated special for Halloween. O Museum in The Mansion (also called The Secret Door Museum) has over 80 secret doors. Be warned secret doors are tricky to find — if you find 3 you are an above average sleuth.Also includes:
— Costume Contest
— Cash Bar
Online reservations required.
Bring your own shopping bags. Everything is for sale! Proceeds support programs at O Street Museum.
Event Location
2020 O St NW, Washington D.C., DC, United States, Washington, District of Columbia 20036Event Host
The Mansion on O & O Street Museum
