Notable are also the numerous churches of Spoleto. The Duomo of S. Maria Assunta (Assumption of Mary) is a beautiful example of Romanesque style. The construction started at the end of the 12th century and it was completed in 1227. The Cathedral houses the tomb of the famous artist Filippo Lippi and an original letter wrote by Saint Francis of Assisi.
The Church of San Pietro extra Moenia is considered together with the Church of San Rufino in Assisi the best representation of Umbrian Romanesque architecture. The first church was built on top of a necropolis in 419 to store the chains of Saint Peter; however there are many doubts about their authenticity. Many renovations have interested the building; the most important it was the one that added the Romanesque façade with stunning relief decoration. During the baroque period the interior was restyled.
The Basilica of San Salvatore is considered a very important example of Early Christian Architecture. Originally built during the 4th century it was renovated during the Lombards dominations. In 2011 the UNESCO nominated it a World Heritage Site.