Guanajuato is such a vibrant city, you'll definitely want to explore its colorful streets and alleys, like the famous Callejón del Beso, which is full of history and romance. Be sure to visit the Alhóndiga de Granaditas, a historic museum that played a key role in Mexico's independence, and the iconic Basilica Colegiata de Nuestra Señora de Guanajuato. For food, try some traditional dishes like pozole or sopaipillas at one of the many local eateries, and don't miss the Mercado Hidalgo for a taste of the local culture and some unique shopping opportunities. The city also has a great cultural scene, with many festivals and events throughout the year, so be sure to check those out as well.