Nevsky Prospekt is the main street and one of the most famous thoroughfares in St. Petersburg. It stretches for 4.5 kilometers and is lined with beautiful buildings, shops, cafes, and historical landmarks. Visitors can take a leisurely stroll along Nevsky Prospekt, admiring the architectural beauty of the city and exploring the various shops and boutiques. The street is also home to several iconic landmarks, including the Kazan Cathedral and the Eliseyev Emporium.