San Miguel de Allende is known for its colonial-era architecture, which is a blend of Spanish and indigenous influences. The buildings feature intricate stonework, colorful facades, and decorative elements such as wrought-iron balconies and wooden doors. The city's historic center was designated a UNESCO World Heritage Site in 2008 in recognition of its cultural significance. The architecture is admired not only for its aesthetic appeal, but also for its historical and cultural significance in the development of Mexican architecture. It is an essential part of the identity and cultural heritage of San Miguel de Allende.