Toshogu Shrine is one of the most famous and important Shinto shrines in Nikko. It is dedicated to Tokugawa Ieyasu, the founder of the Tokugawa shogunate. The shrine complex is known for its intricate and colorful decorations, including the famous 'See no evil, hear no evil, speak no evil' monkeys. Visitors can explore the various buildings and admire the beautiful craftsmanship. The Toshogu Shrine is a UNESCO World Heritage site and a must-visit attraction in Nikko.