📜 Bulgarian Orthodox cathedral in Sofia, one of the largest Christian church buildings by volume in the world. Serves as the cathedral church of the Patriarch of Bulgaria. Built in Neo-Byzantine style, consecrated in 1924. # Why Go ✨ Marvel at the striking Neo-Byzantine architecture, impressive interior, gilded domes, and ornate details. 🖼️ Explore the crypt museum with a major collection of Orthodox icons, royal thrones, grandiose pulpit, and mosaic murals. 🔔 Hear the majestic 23-ton bells from the bell tower, with 12 bells heard for nearly 10 miles. # Tips 🚇 Nearest subway station is Sofia University. 🛍️ Nearby flea market offers handmade textiles, icons, and antiques.