Whom do I contact for a tour?
Tours are by appointment only. Contact Larry von Weigel by completing the online event inquiry form here.
Your tour date & time are not confirmed until you receive written confirmation from Larry von Weigel.
Larry von Weigel
International Headquarters Administrator
1618 New Hampshire Ave. NW
Washington, DC 20009-2549
Tour Times:
9:00, 9:30, and 10:00 AM
Monday through Friday – Except Holidays **
3-D Virtual Tour
| 2025 Holidays observed by the International Headquarters in Washington, DC | ||
| Wednesday | January 1 | New Year’s Day |
| Monday | January 20 | Martin Luther King, Jr. Day Inauguration Day |
| Monday | February 17 | President’s Day |
| Friday | April 18 | Good Friday |
| Monday | May 26 | Memorial Day |
| Thursday | June 19 | Juneteenth |
| Friday | July 4 | Independence Day |
| Monday | September 4 | Labor Day |
| Monday | October 13 | Indigenous People’s Day |
| Tuesday | November 11 | Veterans’ Day |
| Thursday | November 27 | Thanksgiving Holiday |
| Thursday-Friday | December 25-26 | Christmas Holiday |
| Thursday | January 1, 2026 | New Year’s Day |