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Smithsonian Institution Building, the Castle

Naval Anacost Annex, District of Columbia · District of Columbia County · Facility

The Smithsonian Information Center, located in the Castle, provides a multifaceted information and orientation program to assist you in planning your visit to the Smithsonian and other capital attractions.

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38.88860, -77.02580
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About Smithsonian Institution Building, the Castle

The Smithsonian Information Center, located in the Castle, provides a multifaceted information and orientation program to assist you in planning your visit to the Smithsonian and other capital attractions.

How to Get There

The Castle is located on the National Mall, the grassy area between the Capitol and the Washington Monument, steps from the Smithsonian Metro stop.

Driving directions (Google Maps) →

Plan Your Visit to Smithsonian Institution Building, the Castle

Heading to Smithsonian Institution Building, the Castle? A few things to know before you go:

  • Reservations: popular sites fill up fast — check Recreation.gov 6 months in advance
  • Fees: day-use and camping fees vary; check current rates on the official park page
  • Trash & pack-out: follow Leave No Trace principles
  • Wildlife: store food in bear boxes where provided; never feed wildlife
  • Weather: the 5-day forecast above is updated every 6 hours; verify just before you go

Frequently Asked Questions

Do I need a reservation for Smithsonian Institution Building, the Castle?

No central reservation system listed for Smithsonian Institution Building, the Castle. Check the official page (https://www.recreation.gov/camping/campgrounds/202369) for the latest entry policy and availability.

How do I get to Smithsonian Institution Building, the Castle?

The Castle is located on the National Mall, the grassy area between the Capitol and the Washington Monument, steps from the Smithsonian Metro stop.

How do I contact Smithsonian Institution Building, the Castle?

You can reach the park at phone: 202-633-1000 or email: info@si.edu.