SESMA – Special Event Sites Marketing Alliances
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National Museum of Natural History, Smithsonian Institution
Capacity: 35 – 3500
Constitution Avenue at 10th Street, NW
Washington, DC 20560-0139

Office of Special Events
phone: 202-633-1650
fax: 202-357-1602
The Smithsonian National Museum of Natural History is the most visited natural history museum in the world, welcoming approximately seven million visitors a year. With its unparalleled collections and monumental architecture, it is also a premiere site for after-hours special events for receptions ranging from 35 to 3,500 guests. The four-story, domed Rotunda can accommodate seated dinners up to 400 guests. Popular galleries for special events include the Ocean Hall; Mammals Hall; Hall of Human Origins; and the Hall of Geology, Gems, and Minerals – home of the legendary Hope Diamond.
Event Site Image
Event Site Image
Corporations and organizations that support the Museum through an unrestricted contribution are invited to celebrate their gift with an after-hours special event. Please contact the Office of Special Events for donation information.
Capacity: 35 – 3500
Capacity Description:
▪ For a Reception: lowest #: 35 highest #: 3,500
▪ For a Banquet: lowest #: 35 highest #: 400
▪ Theater-style: lowest #: 35 highest #: 500
Site may not be used for personal events (e.g., weddings) or marketing, political, or fund-raising events.
Catering is available from a list of approved caterers.

Audio Visual Capabilities
In-house A/V equipment is not available.
Limited available on-site.
Metro Station: Smithsonian or Federal Triangle.

Events are permitted in the evenings after 6:30 p.m. This site is ADA compliant.
SESMA's mission is to develop cooperative marketing programs that bring member special event sites to the attention of meeting and event professionals throughout the DC-metro area who seek unique venues for their functions.
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