The Cathedral of St. Isaac of Dalmatia

Saint Isaac's Cathedral in Saint Petersburg, Russia, is an impressive domed church built between 1818 and 1858. It features a massive gold-plated dome, ornate interior with mosaics and sculptures, and serves both as a museum and a place of worship. Designed by architect Auguste de Montferrand, it exemplifies neoclassical and Byzantine styles. The cathedral's construction reflects Russia’s cultural pride and religious heritage, making it one of the world's largest and most magnificent Orthodox cathedrals. Visitors can explore its grand architecture, rich artwork, and panoramic city views from its colonnade.