Another great option for a rainy afternoon in Prague is to explore the Old Town Square. This vibrant square is the heart of the city and is home to many historical buildings, including the famous Astronomical Clock. Take shelter from the rain in one of the cozy cafes or restaurants surrounding the square, and enjoy a warm cup of Czech coffee or a delicious meal. Admire the stunning architecture, watch street performers, and soak in the lively atmosphere of this iconic Prague landmark.