The Duomo di Orvieto is a magnificent cathedral located in the Umbrian hill town of Orvieto, Italy. Construction of the cathedral began in 1290 and was completed in 1591, with several notable architects and artists contributing to its design and decoration.

The cathedral is particularly renowned for its stunning Gothic architecture, with intricate carvings, statues, and other decorative elements adorning the exterior and interior of the building. Some of the most notable features of the cathedral include the impressive façade, the intricate rose window, and the intricately carved marble reliefs on the façade and the sides of the cathedral.

The interior of the Duomo di Orvieto is equally impressive, with soaring Gothic arches, colorful frescoes, and a wealth of other artwork and decorative elements. Some of the most notable features of the interior include the stunning frescoes by Luca Signorelli in the Cappella di San Brizio, which depict scenes from the Apocalypse, and the exquisite marble reliefs by various artists throughout the cathedral.

In addition to its architectural and artistic treasures, the Duomo di Orvieto is also home to a number of important relics and artifacts, including a thorn from the Crown of Thorns, which is kept in the Chapel of the Corporal.