The Trinity Lavra of St. Sergius is a prominent Russian Orthodox monastery located in Sergiev Posad, near Moscow. Founded in the 14th century by St. Sergius of Radonezh, it has become a significant spiritual center and a UNESCO World Heritage site. The monastery is known for its stunning architecture, including the iconic Trinity Cathedral, which houses the relics of St. Sergius. The Lavra serves as the spiritual heart of the Russian Orthodox Church and attracts thousands of pilgrims each year. It features a complex of churches, bell towers, and monastic buildings, reflecting centuries of religious and cultural history. The site is also associated with the Russian Orthodox Church and plays a vital role in the country's religious life.