The Monumento a la Mexicanidad, often recognized as a giant red X, is a modern monument in Ciudad Juárez, Chihuahua. It was created by Sebastián, the Mexican sculptor known for large geometric public works.

For study purposes, it is useful because it reinforces Sebastián as a creator of major geometric monuments, similar to El Caballito. It also gives the deck a nationally known monument outside Mexico City and northern Mexico representation.