Sheikh Lotfollah Mosque, a masterpiece of Persian architecture located on the eastern side of Isfahan's Naqsh-e Jahan Square, is generally accessible to visitors, though it involves some stairs and may not be fully wheelchair-friendly. While easily explored independently, hiring a local guide or using an audio guide is highly recommended to fully appreciate its intricate tilework, unique design (lacking a minaret), and historical significance. The mosque is open year-round, with spring and autumn offering the most comfortable weather for a visit, avoiding extreme summer heat or winter cold; always check current opening hours, especially during holidays. The approximate cost for international visitors is a modest entrance fee, typically equivalent to a few US dollars. A typical visit duration ranges from 45 minutes to 1.5 hours, allowing ample time to marvel at its famous changing dome colors, the peacock motif at the dome's center, and the stunning calligraphy; respectful dress, including a headscarf for women, is required. It's often best visited in the late morning for optimal interior lighting for photography and as part of a larger exploration of the square.