The Basilica di Santa Maria di Collemaggio is a significant church located in L'Aquila, Italy. Built in the 13th century, it is renowned for its beautiful Romanesque architecture and stunning frescoes. The basilica is dedicated to the Virgin Mary and is an important pilgrimage site, especially during the Perdonanza Celestiniana, a religious event established by Pope Celestine V. The church features a unique façade with intricate stonework and a striking rose window. Inside, visitors can admire the ornate chapels and the tomb of Pope Celestine V, who is known for his role in the establishment of the Celestine Order. The basilica has undergone restoration after being damaged in the 2009 earthquake.