The iconic Széchenyi Chain Bridge in Budapest is freely accessible 24/7, offering a pedestrian-friendly experience connecting the Buda and Pest sides of the city. While easily explored solo at no cost, it's also a highlight of many guided walking or boat tours. There are generally no seasonal restrictions, though evening visits are highly recommended for spectacular illuminated views. A typical visit to walk across and capture photos takes about 15-30 minutes, but can be extended by exploring the adjacent Buda Castle or Gresham Palace areas. Expect crowds, especially during peak seasons and evenings.