The southwestern city known for its historic district, with its charming adobe architecture, is Santa Fe.

Santa Fe, New Mexico, is famous for its historic district, which showcases Pueblo-style adobe architecture. As one of the oldest cities in the United States, Santa Fe has preserved its unique architectural heritage, with many buildings constructed from adobe and reflecting Native American, Spanish, and colonial influences. The city's Plaza, narrow streets, and numerous art galleries make it a key destination for those interested in history and architecture.