The Baltimore Basilica, officially known as the Basilica of the National Shrine of the Assumption of the Blessed Virgin Mary, is located in Baltimore, Maryland. It was the first Roman Catholic cathedral built in the United States and was completed in 1821. Designed by architect Benjamin Henry Latrobe, the basilica features a neoclassical style with a stunning dome and beautiful interior artwork. The basilica is significant for its historical and architectural value. It serves as the mother church of the Archdiocese of Baltimore and is a designated National Historic Landmark. Visitors can admire its impressive architecture and learn about its role in American Catholic history.