Pokrov Cathedral, also known as Saint Basil's Cathedral, is a famous church located in Moscow, Russia. Built between 1555 and 1561, it was commissioned by Ivan the Terrible to commemorate the capture of Kazan. The cathedral is renowned for its unique architecture, featuring colorful onion domes and intricate designs. The structure consists of nine chapels, each with its own distinct dome, arranged around a central core. Pokrov Cathedral is a UNESCO World Heritage site and a symbol of Moscow, attracting millions of visitors each year. Its vibrant colors and historical significance make it an iconic landmark.