In order to allow for the installation of scaffolding and floor, statuary, and artwork protection in conjunction with the Dome Restoration Project, the Rotunda of the Capitol will be closed from Monday, July 27 through Monday, September 7. While the Rotunda is unavailable for tours, an alternate tour route will be provided. The Capitol Visitor Center is open during the closure of the Rotunda and will offer special activities which do not require advance reservations. You can also download our new U.S. Capitol Rotunda app.

Exhibit Theme

The Treaty of Guadalupe Hidalgo

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Mapa de los Estados Unidos de...
Image Caption

Mapa de los Estados Unidos de Mejico [Map of the United States of Mexico] by J. Disturnell, 1847

Negotiators of the Treaty of Guadalupe Hidalgo agreed to use an 1847 map by J. Disturnell as the reference for the new boundary between the U.S. and Mexico. They found that the map had some serious errors, depicting El Paso and part of the Rio Grande many miles from their true locations, which complicated the negotiations.

Geography and Map Division, Library of Congress